diff --git a/ApacheConnector/include/ApacheConnector.h b/ApacheConnector/include/ApacheConnector.h
index 48ea96cef..76e0d01d4 100644
--- a/ApacheConnector/include/ApacheConnector.h
+++ b/ApacheConnector/include/ApacheConnector.h
@@ -33,7 +33,7 @@ public:
 
 	int readRequest(char* buffer, int length);
 		/// Read up to length bytes from request body into buffer.
-		/// Returns the number of bytes read, 0 if eof or -1 if an error occured.
+		/// Returns the number of bytes read, 0 if eof or -1 if an error occurred.
 
 	void writeResponse(const char* buffer, int length);
 		/// Writes the given characters as response to the given request_rec.
diff --git a/Crypto/include/Poco/Crypto/OpenSSLInitializer.h b/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
index 868530062..ade2531e1 100644
--- a/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
+++ b/Crypto/include/Poco/Crypto/OpenSSLInitializer.h
@@ -44,7 +44,7 @@ namespace Crypto {
 
 
 class Crypto_API OpenSSLInitializer
-	/// Initalizes the OpenSSL library.
+	/// Initializes the OpenSSL library.
 	///
 	/// The class ensures the earliest initialization and the
 	/// latest shutdown of the OpenSSL library.
diff --git a/Data/MySQL/include/Poco/Data/MySQL/Utility.h b/Data/MySQL/include/Poco/Data/MySQL/Utility.h
index c4427c332..e53ebce22 100644
--- a/Data/MySQL/include/Poco/Data/MySQL/Utility.h
+++ b/Data/MySQL/include/Poco/Data/MySQL/Utility.h
@@ -57,7 +57,7 @@ public:
 		/// Returns host info.
 
 	static bool hasMicrosecond();
-		/// Rturns true if microseconds are suported.
+		/// Returns true if microseconds are suported.
 
 	static MYSQL* handle(Poco::Data::Session& session);
 		/// Returns native MySQL handle for the session.
diff --git a/Data/ODBC/testsuite/src/ODBCPostgreSQLTest.h b/Data/ODBC/testsuite/src/ODBCPostgreSQLTest.h
index f9d356629..267939cd6 100644
--- a/Data/ODBC/testsuite/src/ODBCPostgreSQLTest.h
+++ b/Data/ODBC/testsuite/src/ODBCPostgreSQLTest.h
@@ -82,7 +82,7 @@ private:
 	static const std::string _libDir;
 		/// Varible determining the location of the library directory
 		/// on the database installation system.
-		/// Used to enable PLpgSQL language programmaticaly when
+		/// Used to enable PLpgSQL language programmatically when
 		/// it is not enabled.
 
 	static SessionPtr  _pSession;
diff --git a/Data/SQLite/include/Poco/Data/SQLite/SQLiteStatementImpl.h b/Data/SQLite/include/Poco/Data/SQLite/SQLiteStatementImpl.h
index 7a6531c8b..327ec16d3 100644
--- a/Data/SQLite/include/Poco/Data/SQLite/SQLiteStatementImpl.h
+++ b/Data/SQLite/include/Poco/Data/SQLite/SQLiteStatementImpl.h
@@ -79,7 +79,7 @@ protected:
 	void compileImpl();
 		/// Compiles the statement, doesn't bind yet.
 		/// Returns true if the statement was succesfully compiled.
-		/// The way SQLite handles batches of statmeents is by compiling
+		/// The way SQLite handles batches of statements is by compiling
 		/// one at a time and returning a pointer to the next one.
 		/// The remainder of the statement is kept in a string
 		/// buffer pointed to by _pLeftover member.
diff --git a/Data/SQLite/include/Poco/Data/SQLite/Utility.h b/Data/SQLite/include/Poco/Data/SQLite/Utility.h
index 2ce1c1a95..8b785cece 100644
--- a/Data/SQLite/include/Poco/Data/SQLite/Utility.h
+++ b/Data/SQLite/include/Poco/Data/SQLite/Utility.h
@@ -60,10 +60,10 @@ public:
 		/// Returns native DB handle.
 
 	static std::string lastError(sqlite3* pDb);
-		/// Retreives the last error code from sqlite and converts it to a string.
+		/// Retrieves the last error code from sqlite and converts it to a string.
 
 	static std::string lastError(const Session& session);
-		/// Retreives the last error code from sqlite and converts it to a string.
+		/// Retrieves the last error code from sqlite and converts it to a string.
 
 	static void throwException(int rc, const std::string& addErrMsg = std::string());
 		/// Throws for an error code the appropriate exception
diff --git a/Data/include/Poco/Data/AbstractExtraction.h b/Data/include/Poco/Data/AbstractExtraction.h
index abe202f41..8176e5b56 100644
--- a/Data/include/Poco/Data/AbstractExtraction.h
+++ b/Data/include/Poco/Data/AbstractExtraction.h
@@ -140,7 +140,7 @@ public:
 	bool isValueNull(const std::string& str, bool deflt);
 		/// Overload for const reference to std::string.
 		///
-		/// Returns true when folowing conditions are met:
+		/// Returns true when following conditions are met:
 		///
 		/// - string is empty 
 		/// - getEmptyStringIsNull() returns true
@@ -148,7 +148,7 @@ public:
 	bool isValueNull(const Poco::UTF16String& str, bool deflt);
 		/// Overload for const reference to UTF16String.
 		///
-		/// Returns true when folowing conditions are met:
+		/// Returns true when following conditions are met:
 		///
 		/// - string is empty 
 		/// - getEmptyStringIsNull() returns true
diff --git a/Data/include/Poco/Data/Binding.h b/Data/include/Poco/Data/Binding.h
index 07f2831a7..0b55b529b 100644
--- a/Data/include/Poco/Data/Binding.h
+++ b/Data/include/Poco/Data/Binding.h
@@ -1474,7 +1474,7 @@ inline AbstractBindingVec& io(AbstractBindingVec& bv)
 template <typename T> 
 inline AbstractBinding::Ptr bind(T t, const std::string& name)
 	/// Convenience function for a more compact Binding creation.
-	/// This funtion differs from use() in its value copy semantics.
+	/// This function differs from use() in its value copy semantics.
 {
 	return new CopyBinding<T>(t, name, AbstractBinding::PD_IN);
 }
@@ -1483,7 +1483,7 @@ inline AbstractBinding::Ptr bind(T t, const std::string& name)
 template <typename T> 
 inline AbstractBinding::Ptr bind(T t)
 	/// Convenience function for a more compact Binding creation.
-	/// This funtion differs from use() in its value copy semantics.
+	/// This function differs from use() in its value copy semantics.
 {
 	return Poco::Data::Keywords::bind(t, "");
 }
diff --git a/Data/include/Poco/Data/LOB.h b/Data/include/Poco/Data/LOB.h
index 8bcb6b8b0..94f1bfcbb 100644
--- a/Data/include/Poco/Data/LOB.h
+++ b/Data/include/Poco/Data/LOB.h
@@ -205,7 +205,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::BLOB>(Poco::Data::BLOB& b1, 
 		Poco::Data::BLOB& b2)
-		/// Full template specalization of std:::swap for BLOB
+		/// Full template specialization of std:::swap for BLOB
 	{
 		b1.swap(b2);
 	}
@@ -213,7 +213,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::CLOB>(Poco::Data::CLOB& c1, 
 		Poco::Data::CLOB& c2)
-		/// Full template specalization of std:::swap for CLOB
+		/// Full template specialization of std:::swap for CLOB
 	{
 		c1.swap(c2);
 	}
diff --git a/Data/include/Poco/Data/RecordSet.h b/Data/include/Poco/Data/RecordSet.h
index fa6dbc4d7..0647d4f1b 100644
--- a/Data/include/Poco/Data/RecordSet.h
+++ b/Data/include/Poco/Data/RecordSet.h
@@ -63,7 +63,7 @@ class Data_API RecordSet: private Statement
 	///
 	/// The third (optional) argument passed to the Recordset constructor is a RowFormatter
 	/// implementation. The formatter is used in conjunction with << operator for recordset
-	/// data formating.
+	/// data formatting.
 	/// 
 	/// The number of rows in the RecordSet can be limited by specifying
 	/// a limit for the Statement.
diff --git a/Data/include/Poco/Data/Row.h b/Data/include/Poco/Data/Row.h
index ba3351226..3af4f60f2 100644
--- a/Data/include/Poco/Data/Row.h
+++ b/Data/include/Poco/Data/Row.h
@@ -178,13 +178,13 @@ public:
 		/// Converts the column names to string.
 
 	void formatNames() const;
-		/// Fomats the column names.
+		/// Formats the column names.
 
 	const std::string& valuesToString() const;
-		/// Converts the row values to string and returns the formated string.
+		/// Converts the row values to string and returns the formatted string.
 
 	void formatValues() const;
-		/// Fomats the row values.
+		/// Formats the row values.
 
 	bool operator == (const Row& other) const;
 		/// Equality operator.
diff --git a/Data/include/Poco/Data/RowFormatter.h b/Data/include/Poco/Data/RowFormatter.h
index 5b45f8616..e283a6ec2 100644
--- a/Data/include/Poco/Data/RowFormatter.h
+++ b/Data/include/Poco/Data/RowFormatter.h
@@ -53,7 +53,7 @@ class Data_API RowFormatter
 	///
 	/// To accommodate for various formatting needs, a formatter can operate in two modes:
 	/// 
-	///	  - progressive: formatted individual row strings are gemerated and returned from each 
+	///	  - progressive: formatted individual row strings are generated and returned from each 
 	///     call to formatValues;
 	///     std::string& formatNames(const NameVecPtr, std::string&) and
 	///     std::string& formatValues(const ValueVec&, std::string&) member calls should be
@@ -65,7 +65,7 @@ class Data_API RowFormatter
 	///     void formatValues(const ValueVec&) member calls should be used in this case
 	///
 	/// When formatter is used in conjunction with Row/RecordSet, the formatting members corresponding
-	/// to the formater mode are expected to be implemented. If a call is propagated to this parent
+	/// to the formatter mode are expected to be implemented. If a call is propagated to this parent
 	/// class, the functions do nothing or silently return empty string respectively.
 	///
 {
@@ -134,10 +134,10 @@ public:
 		/// to empty strings and row count to INVALID_ROW_COUNT.
 
 	Mode getMode() const;
-		/// Returns the formater mode.
+		/// Returns the formatter mode.
 
 	void setMode(Mode mode);
-		/// Sets the fromatter mode.
+		/// Sets the formatter mode.
 
 protected:
 
diff --git a/Data/include/Poco/Data/RowIterator.h b/Data/include/Poco/Data/RowIterator.h
index e91118ca3..197d0c442 100644
--- a/Data/include/Poco/Data/RowIterator.h
+++ b/Data/include/Poco/Data/RowIterator.h
@@ -142,7 +142,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::RowIterator>(Poco::Data::RowIterator& s1, 
 		Poco::Data::RowIterator& s2)
-		/// Full template specalization of std:::swap for RowIterator
+		/// Full template specialization of std:::swap for RowIterator
 	{
 		s1.swap(s2);
 	}
diff --git a/Data/include/Poco/Data/SQLChannel.h b/Data/include/Poco/Data/SQLChannel.h
index a24d03aa1..10c958560 100644
--- a/Data/include/Poco/Data/SQLChannel.h
+++ b/Data/include/Poco/Data/SQLChannel.h
@@ -51,10 +51,10 @@ class Data_API SQLChannel: public Poco::Channel
 	///		DateTime DATE)"
 	///
 	/// The table name is configurable through "table" property. 
-	/// Other than DateTime filed name used for optiona time-based archiving purposes, currently the 
-	/// field names are not mandated. However, it is recomended to use names as specified above.
+	/// Other than DateTime filed name used for optional time-based archiving purposes, currently the 
+	/// field names are not mandated. However, it is recommended to use names as specified above.
 	/// 
-	/// To provide as non-intrusive operation as possbile, the log entries are cached and 
+	/// To provide as non-intrusive operation as possible, the log entries are cached and 
 	/// inserted into the target database asynchronously by default . The blocking, however, will occur 
 	/// before the next entry insertion with default timeout of 1 second. The default settings can be 
 	/// overriden (see async, timeout and throw properties for details).
@@ -150,15 +150,15 @@ private:
 	typedef Poco::SharedPtr<ArchiveStrategy> StrategyPtr;
 
 	void initLogStatement();
-		/// Initiallizes the log statement.
+		/// Initializes the log statement.
 
 	void initArchiveStatements();
-	/// Initiallizes the archive statement.
+		/// Initializes the archive statement.
 
 	void logAsync(const Message& msg);
 		/// Waits for previous operation completion and
 		/// calls logSync(). If the previous operation times out,
-		/// and _throw is true, TimeoutException is thrown, oterwise
+		/// and _throw is true, TimeoutException is thrown, otherwise
 		/// the timeout is ignored and log entry is lost.
 
 	void logSync(const Message& msg);
diff --git a/Data/include/Poco/Data/Session.h b/Data/include/Poco/Data/Session.h
index c93bb1a96..f413d2cc8 100644
--- a/Data/include/Poco/Data/Session.h
+++ b/Data/include/Poco/Data/Session.h
@@ -78,7 +78,7 @@ class Data_API Session
 	/// The above example assigns the variable i to the ":data" placeholder in the SQL query. The query is parsed and compiled exactly
 	/// once, but executed 100 times. At the end the values 0 to 99 will be present in the Table "DUMMY".
 	///
-	/// A faster implementaton of the above code will simply create a vector of int
+	/// A faster implementation of the above code will simply create a vector of int
 	/// and use the vector as parameter to the use clause (you could also use set or multiset instead):
 	///    
 	///     std::vector<int> data;
@@ -486,7 +486,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::Session>(Poco::Data::Session& s1, 
 		Poco::Data::Session& s2)
-		/// Full template specalization of std:::swap for Session
+		/// Full template specialization of std:::swap for Session
 	{
 		s1.swap(s2);
 	}
diff --git a/Data/include/Poco/Data/SimpleRowFormatter.h b/Data/include/Poco/Data/SimpleRowFormatter.h
index aa928f6e0..a0f2cfc91 100644
--- a/Data/include/Poco/Data/SimpleRowFormatter.h
+++ b/Data/include/Poco/Data/SimpleRowFormatter.h
@@ -111,7 +111,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::SimpleRowFormatter>(Poco::Data::SimpleRowFormatter& s1, 
 		Poco::Data::SimpleRowFormatter& s2)
-		/// Full template specalization of std:::swap for SimpleRowFormatter
+		/// Full template specialization of std:::swap for SimpleRowFormatter
 	{
 		s1.swap(s2);
 	}
diff --git a/Data/include/Poco/Data/Statement.h b/Data/include/Poco/Data/Statement.h
index d469041fb..7e8c182b7 100644
--- a/Data/include/Poco/Data/Statement.h
+++ b/Data/include/Poco/Data/Statement.h
@@ -803,7 +803,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Data::Statement>(Poco::Data::Statement& s1, 
 		Poco::Data::Statement& s2)
-		/// Full template specalization of std:::swap for Statement
+		/// Full template specialization of std:::swap for Statement
 	{
 		s1.swap(s2);
 	}
diff --git a/Data/include/Poco/Data/StatementImpl.h b/Data/include/Poco/Data/StatementImpl.h
index b3696dcec..859cc2d57 100644
--- a/Data/include/Poco/Data/StatementImpl.h
+++ b/Data/include/Poco/Data/StatementImpl.h
@@ -184,7 +184,7 @@ protected:
 
 	virtual std::size_t next() = 0;
 		/// Retrieves the next row or set of rows from the resultset and
-		/// returns the number of rows retreved.
+		/// returns the number of rows retrieved.
 		///
 		/// Will throw, if the resultset is empty.
 		/// Expects the statement to be compiled and bound.
@@ -253,7 +253,7 @@ protected:
 		/// - std::list
 
 	SessionImpl& session();
-		/// Rteurns session associated with this statement.
+		/// Returns session associated with this statement.
 
 	virtual AbstractBinding::BinderPtr binder() = 0;
 		/// Returns the concrete binder used by the statement.
diff --git a/Foundation/include/Poco/AbstractEvent.h b/Foundation/include/Poco/AbstractEvent.h
index 886df0e66..46b3a7a64 100644
--- a/Foundation/include/Poco/AbstractEvent.h
+++ b/Foundation/include/Poco/AbstractEvent.h
@@ -253,7 +253,7 @@ public:
 	ActiveResult<TArgs> notifyAsync(const void* pSender, const TArgs& args)
 		/// Sends a notification to all registered delegates. The order is 
 		/// determined by the TStrategy. This method is not blocking and will
-		/// immediately return. The delegates are invoked in a seperate thread.
+		/// immediately return. The delegates are invoked in a separate thread.
 		/// Call activeResult.wait() to wait until the notification has ended.
 		/// While executing, other objects can change the delegate list. These changes don't
 		/// influence the current active notifications but are activated with
@@ -344,7 +344,7 @@ protected:
 	}
 
 	TStrategy _strategy; /// The strategy used to notify observers.
-	bool      _enabled;  /// Stores if an event is enabled. Notfies on disabled events have no effect
+	bool      _enabled;  /// Stores if an event is enabled. Notifies on disabled events have no effect
 	                     /// but it is possible to change the observers.
 	mutable TMutex _mutex;
 
@@ -455,7 +455,7 @@ public:
 	ActiveResult<void> notifyAsync(const void* pSender)
 		/// Sends a notification to all registered delegates. The order is 
 		/// determined by the TStrategy. This method is not blocking and will
-		/// immediately return. The delegates are invoked in a seperate thread.
+		/// immediately return. The delegates are invoked in a separate thread.
 		/// Call activeResult.wait() to wait until the notification has ended.
 		/// While executing, other objects can change the delegate list. These changes don't
 		/// influence the current active notifications but are activated with
@@ -544,7 +544,7 @@ protected:
 	}
 
 	TStrategy _strategy; /// The strategy used to notify observers.
-	bool      _enabled;  /// Stores if an event is enabled. Notfies on disabled events have no effect
+	bool      _enabled;  /// Stores if an event is enabled. Notifies on disabled events have no effect
 	                     /// but it is possible to change the observers.
 	mutable TMutex _mutex;
 
diff --git a/Foundation/include/Poco/AbstractStrategy.h b/Foundation/include/Poco/AbstractStrategy.h
index c300a4809..df7e5e76d 100644
--- a/Foundation/include/Poco/AbstractStrategy.h
+++ b/Foundation/include/Poco/AbstractStrategy.h
@@ -69,7 +69,7 @@ public:
 	virtual void onReplace(const void* pSender, std::set<TKey>& elemsToRemove) = 0;
 		/// Used by the Strategy to indicate which elements should be removed from
 		/// the cache. Note that onReplace does not change the current list of keys.
-		/// The cache object is reponsible to remove the elements.
+		/// The cache object is responsible to remove the elements.
 };
 
 
diff --git a/Foundation/include/Poco/Any.h b/Foundation/include/Poco/Any.h
index a90552873..4a8d7cd2e 100644
--- a/Foundation/include/Poco/Any.h
+++ b/Foundation/include/Poco/Any.h
@@ -203,7 +203,7 @@ public:
 	Any& swap(Any& other)
 		/// Swaps the content of the two Anys.
 		/// 
-		/// When small object optimizaton is enabled, swap only
+		/// When small object optimization is enabled, swap only
 		/// has no-throw guarantee when both (*this and other)
 		/// objects are allocated on the heap.
 	{
diff --git a/Foundation/include/Poco/AutoReleasePool.h b/Foundation/include/Poco/AutoReleasePool.h
index 4506056ed..c97758bcd 100644
--- a/Foundation/include/Poco/AutoReleasePool.h
+++ b/Foundation/include/Poco/AutoReleasePool.h
@@ -31,7 +31,7 @@ template <class C>
 class AutoReleasePool
 	/// An AutoReleasePool implements simple garbage collection for 
 	/// reference-counted objects.
-	/// It temporarily takes ownwership of reference-counted objects that 
+	/// It temporarily takes ownership of reference-counted objects that 
 	/// nobody else wants to take ownership of and releases them 
 	/// at a later, appropriate point in time.
 	///
diff --git a/Foundation/include/Poco/BinaryWriter.h b/Foundation/include/Poco/BinaryWriter.h
index a881eb7c6..e038349b5 100644
--- a/Foundation/include/Poco/BinaryWriter.h
+++ b/Foundation/include/Poco/BinaryWriter.h
@@ -45,7 +45,7 @@ class Foundation_API BinaryWriter
 	/// data type sizes (e.g., 32-bit and 64-bit architectures), as the sizes
 	/// of some of the basic types may be different. For example, writing a
 	/// long integer on a 64-bit system and reading it on a 32-bit system
-	/// may yield an incorrent result. Use fixed-size types (Int32, Int64, etc.)
+	/// may yield an incorrect result. Use fixed-size types (Int32, Int64, etc.)
 	/// in such a case.
 {
 public:
diff --git a/Foundation/include/Poco/DateTime.h b/Foundation/include/Poco/DateTime.h
index f6385d25e..c6095b808 100644
--- a/Foundation/include/Poco/DateTime.h
+++ b/Foundation/include/Poco/DateTime.h
@@ -160,7 +160,7 @@ public:
 		/// on a Saturday, week 1 will be the week starting on Monday, January 3.
 		/// January 1 and 2 will fall within week 0 (or the last week of the previous year).
 		///
-		/// For 2007, which starts on a Monday, week 1 will be the week startung on Monday, January 1.
+		/// For 2007, which starts on a Monday, week 1 will be the week starting on Monday, January 1.
 		/// There will be no week 0 in 2007.
 	
 	int day() const;
@@ -247,7 +247,7 @@ protected:
 		/// Computes the Julian day for an UTC time.
 	
 	static double toJulianDay(int year, int month, int day, int hour = 0, int minute = 0, int second = 0, int millisecond = 0, int microsecond = 0);
-		/// Computes the Julian day for a gregorian calendar date and time.
+		/// Computes the Julian day for a Gregorian calendar date and time.
 		/// See <http://vsg.cape.com/~pbaum/date/jdimp.htm>, section 2.3.1 for the algorithm.
 	
 	static Timestamp::UtcTimeVal toUtcTime(double julianDay);
diff --git a/Foundation/include/Poco/Dynamic/VarHolder.h b/Foundation/include/Poco/Dynamic/VarHolder.h
index 841a71bbb..a8c4cb6aa 100644
--- a/Foundation/include/Poco/Dynamic/VarHolder.h
+++ b/Foundation/include/Poco/Dynamic/VarHolder.h
@@ -281,7 +281,7 @@ protected:
 		/// pre-allocated buffer inside the holder).
 		/// 
 		/// Called from clone() member function of the implementation when
-		/// smal object optimization is enabled.
+		/// small object optimization is enabled.
 	{
 #ifdef POCO_NO_SOO
 		(void)pVarHolder;
diff --git a/Foundation/include/Poco/Dynamic/VarIterator.h b/Foundation/include/Poco/Dynamic/VarIterator.h
index 61accac4c..2f3694912 100644
--- a/Foundation/include/Poco/Dynamic/VarIterator.h
+++ b/Foundation/include/Poco/Dynamic/VarIterator.h
@@ -143,7 +143,7 @@ namespace std
 	template<>
 	inline void swap<Poco::Dynamic::VarIterator>(Poco::Dynamic::VarIterator& s1, 
 		Poco::Dynamic::VarIterator& s2)
-		/// Full template specalization of std:::swap for VarIterator
+		/// Full template specialization of std:::swap for VarIterator
 	{
 		s1.swap(s2);
 	}
diff --git a/Foundation/include/Poco/FileChannel.h b/Foundation/include/Poco/FileChannel.h
index a59fd23bf..c0a7c3712 100644
--- a/Foundation/include/Poco/FileChannel.h
+++ b/Foundation/include/Poco/FileChannel.h
@@ -54,7 +54,7 @@ class Foundation_API FileChannel: public Channel
 	///
 	/// The rotation strategy can be specified with the
 	/// "rotation" property, which can take one of the
-	/// follwing values:
+	/// following values:
 	///
 	///   * never:         no log rotation
 	///   * [day,][hh]:mm: the file is rotated on specified day/time
diff --git a/Foundation/include/Poco/HMACEngine.h b/Foundation/include/Poco/HMACEngine.h
index 5ca944033..c57f60cc1 100644
--- a/Foundation/include/Poco/HMACEngine.h
+++ b/Foundation/include/Poco/HMACEngine.h
@@ -30,7 +30,7 @@ namespace Poco {
 
 template <class Engine>
 class HMACEngine: public DigestEngine
-	/// This class implementes the HMAC message
+	/// This class implements the HMAC message
 	/// authentication code algorithm, as specified
 	/// in RFC 2104. The underlying DigestEngine
 	/// (MD5Engine, SHA1Engine, etc.) must be given as 
diff --git a/Foundation/include/Poco/LinearHashTable.h b/Foundation/include/Poco/LinearHashTable.h
index 1bc1b9483..d5d8f7ce5 100644
--- a/Foundation/include/Poco/LinearHashTable.h
+++ b/Foundation/include/Poco/LinearHashTable.h
@@ -37,7 +37,7 @@ class LinearHashTable
 	/// This class implements a linear hash table.
 	///
 	/// In a linear hash table, the available address space
-	/// grows or shrinks dynamically. A linar hash table thus
+	/// grows or shrinks dynamically. A linear hash table thus
 	/// supports any number of insertions or deletions without
 	/// lookup or insertion performance deterioration.
 	///
diff --git a/Foundation/include/Poco/ListMap.h b/Foundation/include/Poco/ListMap.h
index 7ec735db4..81716bc0e 100644
--- a/Foundation/include/Poco/ListMap.h
+++ b/Foundation/include/Poco/ListMap.h
@@ -103,7 +103,7 @@ public:
 	}
 	
 	ConstIterator find(const KeyType& key) const
-		/// Finds the first occurence of the key and
+		/// Finds the first occurrence of the key and
 		/// returns iterator pointing to the found entry
 		/// or iterator pointing to the end if entry is
 		/// not found.
@@ -118,7 +118,7 @@ public:
 	}
 
 	Iterator find(const KeyType& key)
-		/// Finds the first occurence of the key and
+		/// Finds the first occurrence of the key and
 		/// returns iterator pointing to the found entry
 		/// or iterator pointing to the end if entry is
 		/// not found.
diff --git a/Foundation/include/Poco/LocalDateTime.h b/Foundation/include/Poco/LocalDateTime.h
index a73dbc837..06a55dcf5 100644
--- a/Foundation/include/Poco/LocalDateTime.h
+++ b/Foundation/include/Poco/LocalDateTime.h
@@ -171,7 +171,7 @@ public:
 		/// on a Saturday, week 1 will be the week starting on Monday, January 3.
 		/// January 1 and 2 will fall within week 0 (or the last week of the previous year).
 		///
-		/// For 2007, which starts on a Monday, week 1 will be the week startung on Monday, January 1.
+		/// For 2007, which starts on a Monday, week 1 will be the week starting on Monday, January 1.
 		/// There will be no week 0 in 2007.
 	
 	int day() const;
@@ -210,7 +210,7 @@ public:
 		/// Returns the microsecond (0 to 999)
 	
 	double julianDay() const;
-		/// Returns the julian day for the date.
+		/// Returns the Julian day for the date.
 
 	int tzd() const;
 		/// Returns the time zone differential.
diff --git a/Foundation/include/Poco/Logger.h b/Foundation/include/Poco/Logger.h
index 67a591f0c..9f5f60c86 100644
--- a/Foundation/include/Poco/Logger.h
+++ b/Foundation/include/Poco/Logger.h
@@ -389,22 +389,22 @@ public:
 		/// Returns true if the log level is at least PRIO_TRACE.
 
 	static std::string format(const std::string& fmt, const std::string& arg);
-		/// Replaces all occurences of $0 in fmt with the string given in arg and
+		/// Replaces all occurrences of $0 in fmt with the string given in arg and
 		/// returns the result. To include a dollar sign in the result string,
 		/// specify two dollar signs ($$) in the format string.
 		
 	static std::string format(const std::string& fmt, const std::string& arg0, const std::string& arg1);
-		/// Replaces all occurences of $<n> in fmt with the string given in arg<n> and
+		/// Replaces all occurrences of $<n> in fmt with the string given in arg<n> and
 		/// returns the result. To include a dollar sign in the result string,
 		/// specify two dollar signs ($$) in the format string.
 
 	static std::string format(const std::string& fmt, const std::string& arg0, const std::string& arg1, const std::string& arg2);	
-		/// Replaces all occurences of $<n> in fmt with the string given in arg<n> and
+		/// Replaces all occurrences of $<n> in fmt with the string given in arg<n> and
 		/// returns the result. To include a dollar sign in the result string,
 		/// specify two dollar signs ($$) in the format string.
 
 	static std::string format(const std::string& fmt, const std::string& arg0, const std::string& arg1, const std::string& arg2, const std::string& arg3);	
-		/// Replaces all occurences of $<n> in fmt with the string given in arg<n> and
+		/// Replaces all occurrences of $<n> in fmt with the string given in arg<n> and
 		/// returns the result. To include a dollar sign in the result string,
 		/// specify two dollar signs ($$) in the format string.
 
@@ -450,7 +450,7 @@ public:
 		
 	static Logger* has(const std::string& name);
 		/// Returns a pointer to the Logger with the given name if it
-		/// exists, or a null pointer otherwse.
+		/// exists, or a null pointer otherwise.
 		
 	static void destroy(const std::string& name);
 		/// Destroys the logger with the specified name. Does nothing
diff --git a/Foundation/include/Poco/MD4Engine.h b/Foundation/include/Poco/MD4Engine.h
index 819e09899..5ebe928f1 100644
--- a/Foundation/include/Poco/MD4Engine.h
+++ b/Foundation/include/Poco/MD4Engine.h
@@ -51,7 +51,7 @@ namespace Poco {
 
 
 class Foundation_API MD4Engine: public DigestEngine
-	/// This class implementes the MD4 message digest algorithm,
+	/// This class implements the MD4 message digest algorithm,
 	/// described in RFC 1320.
 {
 public:
diff --git a/Foundation/include/Poco/MD5Engine.h b/Foundation/include/Poco/MD5Engine.h
index cd925d039..e1b89a1e8 100644
--- a/Foundation/include/Poco/MD5Engine.h
+++ b/Foundation/include/Poco/MD5Engine.h
@@ -51,7 +51,7 @@ namespace Poco {
 
 
 class Foundation_API MD5Engine: public DigestEngine
-	/// This class implementes the MD5 message digest algorithm,
+	/// This class implements the MD5 message digest algorithm,
 	/// described in RFC 1321.
 {
 public:
diff --git a/Foundation/include/Poco/Nullable.h b/Foundation/include/Poco/Nullable.h
index 78c8ccb65..adceafd87 100644
--- a/Foundation/include/Poco/Nullable.h
+++ b/Foundation/include/Poco/Nullable.h
@@ -180,7 +180,7 @@ public:
 
 	bool operator < (const Nullable<C>& other) const
 		/// Compares two Nullable objects. Return true if this object's
-		/// value is smaler than the other object's value.
+		/// value is smaller than the other object's value.
 		/// Null value is smaller than a non-null value.
 	{
 		if (_isNull && other._isNull) return false;
diff --git a/Foundation/include/Poco/PBKDF2Engine.h b/Foundation/include/Poco/PBKDF2Engine.h
index 59a10087f..56a5dc194 100644
--- a/Foundation/include/Poco/PBKDF2Engine.h
+++ b/Foundation/include/Poco/PBKDF2Engine.h
@@ -31,7 +31,7 @@ namespace Poco {
 
 template <class PRF>
 class PBKDF2Engine: public DigestEngine
-	/// This class implementes the Password-Based Key Derivation Function 2,
+	/// This class implements the Password-Based Key Derivation Function 2,
 	/// as specified in RFC 2898. The underlying DigestEngine (HMACEngine, etc.),
 	/// which must accept the passphrase as constructor argument (std::string), 
 	/// must be given as template argument. 
diff --git a/Foundation/include/Poco/PatternFormatter.h b/Foundation/include/Poco/PatternFormatter.h
index 0ab1a33b3..dccb2117d 100644
--- a/Foundation/include/Poco/PatternFormatter.h
+++ b/Foundation/include/Poco/PatternFormatter.h
@@ -136,7 +136,7 @@ private:
 	void parsePattern();
 		/// Will parse the _pattern string into the vector of PatternActions,
 		/// which contains the message key, any text that needs to be written first
-		/// a proprety in case of %[] and required length.
+		/// a property in case of %[] and required length.
 
 	std::vector<PatternAction> _patternActions;
 	bool _localTime;
diff --git a/Foundation/include/Poco/RecursiveDirectoryIterator.h b/Foundation/include/Poco/RecursiveDirectoryIterator.h
index acbb74ea7..db8d1f2e9 100644
--- a/Foundation/include/Poco/RecursiveDirectoryIterator.h
+++ b/Foundation/include/Poco/RecursiveDirectoryIterator.h
@@ -53,7 +53,7 @@ class RecursiveDirectoryIterator
 	/// The class can follow different traversal strategies:
 	///     * depth-first strategy;
 	///     * siblings-first strategy.
-	/// The stategies are set by template parameter.
+	/// The strategies are set by template parameter.
 	/// There are two corresponding typedefs:
 	///     * SimpleRecursiveDirectoryIterator;
 	///     * SiblingsFirstRecursiveDirectoryIterator.
diff --git a/Foundation/include/Poco/RegularExpression.h b/Foundation/include/Poco/RegularExpression.h
index 54abc37ef..630760547 100644
--- a/Foundation/include/Poco/RegularExpression.h
+++ b/Foundation/include/Poco/RegularExpression.h
@@ -83,7 +83,7 @@ public:
 		RE_NEWLINE_CRLF    = 0x00300000, /// assume newline is CRLF ("\r\n") [ctor]
 		RE_NEWLINE_ANY     = 0x00400000, /// assume newline is any valid Unicode newline character [ctor]
 		RE_NEWLINE_ANYCRLF = 0x00500000, /// assume newline is any of CR, LF, CRLF [ctor]
-		RE_GLOBAL          = 0x10000000, /// replace all occurences (/g) [subst]
+		RE_GLOBAL          = 0x10000000, /// replace all occurrences (/g) [subst]
 		RE_NO_VARS         = 0x20000000  /// treat dollar in replacement string as ordinary character [subst]
 	};
 	
@@ -187,19 +187,19 @@ public:
 		/// Substitute in subject all matches of the pattern with replacement.
 		/// If RE_GLOBAL is specified as option, all matches are replaced. Otherwise,
 		/// only the first match is replaced.
-		/// Occurences of $<n> (for example, $1, $2, ...) in replacement are replaced 
+		/// Occurrences of $<n> (for example, $1, $2, ...) in replacement are replaced 
 		/// with the corresponding captured string. $0 is the original subject string.
-		/// Returns the number of replaced occurences.
+		/// Returns the number of replaced occurrences.
 
 	int subst(std::string& subject, std::string::size_type offset, const std::string& replacement, int options = 0) const;
 		/// Substitute in subject all matches of the pattern with replacement,
 		/// starting at offset.
 		/// If RE_GLOBAL is specified as option, all matches are replaced. Otherwise,
 		/// only the first match is replaced.
-		/// Unless RE_NO_VARS is specified, occurences of $<n> (for example, $0, $1, $2, ... $9) 
+		/// Unless RE_NO_VARS is specified, occurrences of $<n> (for example, $0, $1, $2, ... $9) 
 		/// in replacement are replaced with the corresponding captured string. 
-		/// $0 is the captured substring. $1 ... $n are the substrings maching the subpatterns.
-		/// Returns the number of replaced occurences.
+		/// $0 is the captured substring. $1 ... $n are the substrings matching the subpatterns.
+		/// Returns the number of replaced occurrences.
 
 	static bool match(const std::string& subject, const std::string& pattern, int options = 0);
 		/// Matches the given subject string against the regular expression given in pattern,
diff --git a/Foundation/include/Poco/SHA1Engine.h b/Foundation/include/Poco/SHA1Engine.h
index 8109cc350..a0b56ff85 100644
--- a/Foundation/include/Poco/SHA1Engine.h
+++ b/Foundation/include/Poco/SHA1Engine.h
@@ -34,7 +34,7 @@ namespace Poco {
 
 
 class Foundation_API SHA1Engine: public DigestEngine
-	/// This class implementes the SHA-1 message digest algorithm.
+	/// This class implements the SHA-1 message digest algorithm.
 	/// (FIPS 180-1, see http://www.itl.nist.gov/fipspubs/fip180-1.htm)
 {
 public:
diff --git a/Foundation/include/Poco/String.h b/Foundation/include/Poco/String.h
index 0eb3947c0..9cdeb4aa4 100644
--- a/Foundation/include/Poco/String.h
+++ b/Foundation/include/Poco/String.h
@@ -388,7 +388,7 @@ S translate(const S& str, const typename S::value_type* from, const typename S::
 
 template <class S>
 S& translateInPlace(S& str, const S& from, const S& to)
-	/// Replaces in str all occurences of characters in from
+	/// Replaces in str all occurrences of characters in from
 	/// with the corresponding (by position) characters in to.
 	/// If there is no corresponding character, the character
 	/// is removed.
@@ -491,7 +491,7 @@ S& removeInPlace(S& str, const typename S::value_type ch, typename S::size_type
 
 template <class S>
 S replace(const S& str, const S& from, const S& to, typename S::size_type start = 0)
-	/// Replace all occurences of from (which must not be the empty string)
+	/// Replace all occurrences of from (which must not be the empty string)
 	/// in str with to, starting at position start.
 {
 	S result(str);
diff --git a/Foundation/include/Poco/StringTokenizer.h b/Foundation/include/Poco/StringTokenizer.h
index a86f447d2..51d965c9a 100644
--- a/Foundation/include/Poco/StringTokenizer.h
+++ b/Foundation/include/Poco/StringTokenizer.h
@@ -69,7 +69,7 @@ public:
 		/// Returns true if token exists, false otherwise.
 
 	std::size_t find(const std::string& token, std::size_t pos = 0) const;
-		/// Returns the index of the first occurence of the token
+		/// Returns the index of the first occurrence of the token
 		/// starting at position pos.
 		/// Throws a NotFoundException if the token is not found.
 
diff --git a/Foundation/include/Poco/TaskNotification.h b/Foundation/include/Poco/TaskNotification.h
index 6958395c0..be0c73df0 100644
--- a/Foundation/include/Poco/TaskNotification.h
+++ b/Foundation/include/Poco/TaskNotification.h
@@ -122,7 +122,7 @@ class TaskCustomNotification: public TaskNotification
 	/// This is a template for "custom" notification.
 	/// Unlike other notifications, this notification
 	/// is instantiated and posted by the task itself.
-	/// The purpose is to provide generic notifiation
+	/// The purpose is to provide generic notification
 	/// mechanism between the task and its observer(s).
 {
 public:
diff --git a/Foundation/include/Poco/TextEncoding.h b/Foundation/include/Poco/TextEncoding.h
index 511b07056..14a0dd941 100644
--- a/Foundation/include/Poco/TextEncoding.h
+++ b/Foundation/include/Poco/TextEncoding.h
@@ -97,22 +97,22 @@ public:
 		///
 		/// The queryConvert function must return the Unicode scalar value
 		/// represented by this byte sequence or -1 if the byte sequence is malformed
-		/// or -n where n is number of bytes requested for the sequence, if lenght is 
+		/// or -n where n is number of bytes requested for the sequence, if length is 
 		/// shorter than the sequence.
 		/// The length of the sequence might not be determined by the first byte, 
 		/// in which case the conversion becomes an iterative process:
 		/// First call with length == 1 might return -2,
-		/// Then a second call with lenght == 2 might return -4
+		/// Then a second call with length == 2 might return -4
 		/// Eventually, the third call with length == 4 should return either a 
 		/// Unicode scalar value, or -1 if the byte sequence is malformed.
 		/// The default implementation returns (int) bytes[0].
 
 	virtual int sequenceLength(const unsigned char* bytes, int length) const;
 		/// The sequenceLength function is used to get the lenth of the sequence pointed
-		/// by bytes. The length paramater should be greater or equal to the length of 
+		/// by bytes. The length parameter should be greater or equal to the length of 
 		/// the sequence.
 		///
-		/// The sequenceLength function must return the lenght of the sequence
+		/// The sequenceLength function must return the length of the sequence
 		/// represented by this byte sequence or a negative value -n if length is 
 		/// shorter than the sequence, where n is the number of byte requested 
 		/// to determine the length of the sequence.
@@ -120,7 +120,7 @@ public:
 		/// in which case the conversion becomes an iterative process as long as the 
 		/// result is negative:
 		/// First call with length == 1 might return -2,
-		/// Then a second call with lenght == 2 might return -4
+		/// Then a second call with length == 2 might return -4
 		/// Eventually, the third call with length == 4 should return 4.
 		/// The default implementation returns 1.
 
diff --git a/Foundation/include/Poco/Thread.h b/Foundation/include/Poco/Thread.h
index b36c07adc..4c10f5422 100644
--- a/Foundation/include/Poco/Thread.h
+++ b/Foundation/include/Poco/Thread.h
@@ -111,7 +111,7 @@ public:
 	void setOSPriority(int prio, int policy = POLICY_DEFAULT);
 		/// Sets the thread's priority, using an operating system specific
 		/// priority value. Use getMinOSPriority() and getMaxOSPriority() to
-		/// obtain mininum and maximum priority values. Additionally,
+		/// obtain minimum and maximum priority values. Additionally,
 		/// a scheduling policy can be specified. The policy is currently
 		/// only used on POSIX platforms where the values SCHED_OTHER (default),
 		/// SCHED_FIFO and SCHED_RR are supported.
diff --git a/Foundation/include/Poco/TypeList.h b/Foundation/include/Poco/TypeList.h
index 5b949c296..9fa6322ba 100644
--- a/Foundation/include/Poco/TypeList.h
+++ b/Foundation/include/Poco/TypeList.h
@@ -304,7 +304,7 @@ struct TypeAppender<TypeList<Head, Tail>, T>
 
 template <class Head, class T> 
 struct TypeOneEraser;
-	/// TypeOneEraser erases the first occurence of the type T in Head.
+	/// TypeOneEraser erases the first occurrence of the type T in Head.
 	/// Usage:
 	///
 	/// typedef TypeListType<char, int, float>::HeadType Type3;
@@ -336,7 +336,7 @@ struct TypeOneEraser<TypeList<Head, Tail>, T>
 
 template <class Head, class T> 
 struct TypeAllEraser;
-	/// TypeAllEraser erases all the occurences of the type T in Head.
+	/// TypeAllEraser erases all the occurrences of the type T in Head.
 	/// Usage:
 	///
 	/// typedef TypeListType<char, int, float, int>::HeadType Type4;
@@ -368,7 +368,7 @@ struct TypeAllEraser<TypeList<Head, Tail>, T>
 
 template <class Head> 
 struct TypeDuplicateEraser;
-	/// TypeDuplicateEraser erases all but the first occurence of the type T in Head.
+	/// TypeDuplicateEraser erases all but the first occurrence of the type T in Head.
 	/// Usage:
 	///
 	/// typedef TypeListType<char, int, float, int>::HeadType Type4;
@@ -397,7 +397,7 @@ public:
 
 template <class Head, class T, class R>
 struct TypeOneReplacer;
-	/// TypeOneReplacer replaces the first occurence 
+	/// TypeOneReplacer replaces the first occurrence 
 	/// of the type T in Head with type R.
 	/// Usage:
 	///
@@ -430,7 +430,7 @@ struct TypeOneReplacer<TypeList<Head, Tail>, T, R>
 
 template <class Head, class T, class R>
 struct TypeAllReplacer;
-	/// TypeAllReplacer replaces all the occurences 
+	/// TypeAllReplacer replaces all the occurrences 
 	/// of the type T in Head with type R.
 	/// Usage:
 	///
diff --git a/Foundation/include/Poco/UniqueAccessExpireLRUCache.h b/Foundation/include/Poco/UniqueAccessExpireLRUCache.h
index 1329ae401..398b3cf7e 100644
--- a/Foundation/include/Poco/UniqueAccessExpireLRUCache.h
+++ b/Foundation/include/Poco/UniqueAccessExpireLRUCache.h
@@ -37,7 +37,7 @@ template <
 >
 class UniqueAccessExpireLRUCache: public AbstractCache<TKey, TValue, StrategyCollection<TKey, TValue>, TMutex, TEventMutex>
 	/// A UniqueAccessExpireLRUCache combines LRU caching and time based per entry expire caching.
-	/// One can define for each cache entry a seperate timepoint
+	/// One can define for each cache entry a separate timepoint
 	/// but also limit the size of the cache (per default: 1024).
 	/// Each TValue object must thus offer the following method:
 	///    
diff --git a/Foundation/include/Poco/UniqueExpireLRUCache.h b/Foundation/include/Poco/UniqueExpireLRUCache.h
index 748c131c9..ff389cf96 100644
--- a/Foundation/include/Poco/UniqueExpireLRUCache.h
+++ b/Foundation/include/Poco/UniqueExpireLRUCache.h
@@ -37,7 +37,7 @@ template <
 >
 class UniqueExpireLRUCache: public AbstractCache<TKey, TValue, StrategyCollection<TKey, TValue>, TMutex, TEventMutex>
 	/// A UniqueExpireLRUCache combines LRU caching and time based per entry expire caching.
-	/// One can define for each cache entry a seperate timepoint
+	/// One can define for each cache entry a separate timepoint
 	/// but also limit the size of the cache (per default: 1024).
 	/// Each TValue object must thus offer the following method:
 	///    
diff --git a/JSON/include/Poco/JSON/PrintHandler.h b/JSON/include/Poco/JSON/PrintHandler.h
index 11e0587f7..ca3debdf2 100644
--- a/JSON/include/Poco/JSON/PrintHandler.h
+++ b/JSON/include/Poco/JSON/PrintHandler.h
@@ -89,7 +89,7 @@ public:
 #endif
 
 	void value(const std::string& value);
-		/// A string value is read; it will be fromatted and written to the output.
+		/// A string value is read; it will be formatted and written to the output.
 
 	void value(double d);
 		/// A double value is read; it will be written to the output.
diff --git a/Net/include/Poco/Net/DatagramSocket.h b/Net/include/Poco/Net/DatagramSocket.h
index 6a25fc7c8..74c4c5e3d 100644
--- a/Net/include/Poco/Net/DatagramSocket.h
+++ b/Net/include/Poco/Net/DatagramSocket.h
@@ -121,7 +121,7 @@ public:
 protected:
 	DatagramSocket(SocketImpl* pImpl);
 		/// Creates the Socket and attaches the given SocketImpl.
-		/// The socket takes owership of the SocketImpl.
+		/// The socket takes ownership of the SocketImpl.
 		///
 		/// The SocketImpl must be a StreamSocketImpl, otherwise
 		/// an InvalidArgumentException will be thrown.
diff --git a/Net/include/Poco/Net/FTPClientSession.h b/Net/include/Poco/Net/FTPClientSession.h
index 0d766a67f..84902ae04 100644
--- a/Net/include/Poco/Net/FTPClientSession.h
+++ b/Net/include/Poco/Net/FTPClientSession.h
@@ -258,7 +258,7 @@ public:
 		/// The stream is valid until endList() is called.
 		///
 		/// Optionally, a path to a directory or file can be specified.
-		/// According to the FTP prototol, if a path to a filename is
+		/// According to the FTP protocol, if a path to a filename is
 		/// given, only information for the specific file is returned.
 		/// If a path to a directory is given, a listing of that directory
 		/// is returned. If no path is given, a listing of the current
diff --git a/Net/include/Poco/Net/HTTPServerParams.h b/Net/include/Poco/Net/HTTPServerParams.h
index 865659911..a87dd6d6c 100644
--- a/Net/include/Poco/Net/HTTPServerParams.h
+++ b/Net/include/Poco/Net/HTTPServerParams.h
@@ -88,7 +88,7 @@ public:
 		/// Returns the connection timeout for HTTP connections.
 	
 	void setMaxKeepAliveRequests(int maxKeepAliveRequests);
-		/// Specifies the maximun number of requests allowed
+		/// Specifies the maximum number of requests allowed
 		/// during a persistent connection. 0 means unlimited
 		/// connections.
 		
diff --git a/Net/include/Poco/Net/ICMPSocket.h b/Net/include/Poco/Net/ICMPSocket.h
index cfcc2ff3e..b6253864c 100644
--- a/Net/include/Poco/Net/ICMPSocket.h
+++ b/Net/include/Poco/Net/ICMPSocket.h
@@ -80,7 +80,7 @@ public:
 protected:
 	ICMPSocket(SocketImpl* pImpl);
 		/// Creates the Socket and attaches the given SocketImpl.
-		/// The socket takes owership of the SocketImpl.
+		/// The socket takes ownership of the SocketImpl.
 		///
 		/// The SocketImpl must be a ICMPSocketImpl, otherwise
 		/// an InvalidArgumentException will be thrown.
diff --git a/Net/include/Poco/Net/MailStream.h b/Net/include/Poco/Net/MailStream.h
index b9e760ae6..77934a255 100644
--- a/Net/include/Poco/Net/MailStream.h
+++ b/Net/include/Poco/Net/MailStream.h
@@ -113,8 +113,8 @@ protected:
 
 class Net_API MailInputStream: public MailIOS, public std::istream
 	/// This class is used for reading E-Mail messages from a
-	/// POP3 server. All occurences of "\r\n..\r\n" are replaced with
-	/// "\r\n.\r\n". The first occurence of "\r\n.\r\n" denotes the end
+	/// POP3 server. All occurrences of "\r\n..\r\n" are replaced with
+	/// "\r\n.\r\n". The first occurrence of "\r\n.\r\n" denotes the end
 	/// of the stream.
 {
 public:
@@ -129,7 +129,7 @@ public:
 
 class Net_API MailOutputStream: public MailIOS, public std::ostream
 	/// This class is used for writing E-Mail messages to a
-	/// SMTP server. All occurences of "\r\n.\r\n" are replaced with
+	/// SMTP server. All occurrences of "\r\n.\r\n" are replaced with
 	/// "\r\n..\r\n".
 {
 public:
diff --git a/Net/include/Poco/Net/NetworkInterface.h b/Net/include/Poco/Net/NetworkInterface.h
index fce7d3456..6115d4661 100644
--- a/Net/include/Poco/Net/NetworkInterface.h
+++ b/Net/include/Poco/Net/NetworkInterface.h
@@ -123,7 +123,7 @@ public:
 		/// Assigns another NetworkInterface.
 	
 	bool operator < (const NetworkInterface& other) const;
-		/// Operatorr less-than.
+		/// Operator less-than.
 	
 	bool operator == (const NetworkInterface& other) const;
 		/// Operator equal. Compares interface indices.
diff --git a/Net/include/Poco/Net/RawSocket.h b/Net/include/Poco/Net/RawSocket.h
index 047688433..f5e92765a 100644
--- a/Net/include/Poco/Net/RawSocket.h
+++ b/Net/include/Poco/Net/RawSocket.h
@@ -121,7 +121,7 @@ public:
 protected:
 	RawSocket(SocketImpl* pImpl);
 		/// Creates the Socket and attaches the given SocketImpl.
-		/// The socket takes owership of the SocketImpl.
+		/// The socket takes ownership of the SocketImpl.
 		///
 		/// The SocketImpl must be a StreamSocketImpl, otherwise
 		/// an InvalidArgumentException will be thrown.
diff --git a/Net/include/Poco/Net/SMTPClientSession.h b/Net/include/Poco/Net/SMTPClientSession.h
index bf7b9650e..7258ad632 100644
--- a/Net/include/Poco/Net/SMTPClientSession.h
+++ b/Net/include/Poco/Net/SMTPClientSession.h
@@ -35,7 +35,7 @@ class MailMessage;
 
 class Net_API SMTPClientSession
 	/// This class implements an Simple Mail
-	/// Transfer Procotol (SMTP, RFC 2821)
+	/// Transfer Protocol (SMTP, RFC 2821)
 	/// client for sending e-mail messages.
 {
 public:
diff --git a/Net/include/Poco/Net/Socket.h b/Net/include/Poco/Net/Socket.h
index fc7f0ba2d..cc4a7a2fc 100644
--- a/Net/include/Poco/Net/Socket.h
+++ b/Net/include/Poco/Net/Socket.h
@@ -299,7 +299,7 @@ public:
 protected:
 	Socket(SocketImpl* pImpl);
 		/// Creates the Socket and attaches the given SocketImpl.
-		/// The socket takes owership of the SocketImpl.
+		/// The socket takes ownership of the SocketImpl.
 
 	poco_socket_t sockfd() const;
 		/// Returns the socket descriptor for this socket.
diff --git a/Net/include/Poco/Net/SocketNotification.h b/Net/include/Poco/Net/SocketNotification.h
index bf8c60d4c..7e1bca346 100644
--- a/Net/include/Poco/Net/SocketNotification.h
+++ b/Net/include/Poco/Net/SocketNotification.h
@@ -96,7 +96,7 @@ public:
 
 
 class Net_API TimeoutNotification: public SocketNotification
-	/// This notification is sent if no other event has occured
+	/// This notification is sent if no other event has occurred
 	/// for a specified time.
 {
 public:
diff --git a/Net/include/Poco/Net/SocketReactor.h b/Net/include/Poco/Net/SocketReactor.h
index a39e9d25b..2919c2b72 100644
--- a/Net/include/Poco/Net/SocketReactor.h
+++ b/Net/include/Poco/Net/SocketReactor.h
@@ -83,7 +83,7 @@ class Net_API SocketReactor: public Poco::Runnable
 	/// becomes writable. The ErrorNotification will be dispatched if
 	/// there is an error condition on a socket.
 	///
-	/// If the timeout expires and no event has occured, a
+	/// If the timeout expires and no event has occurred, a
 	/// TimeoutNotification will be dispatched to all event handlers
 	/// registered for it. This is done in the onTimeout() method
 	/// which can be overridden by subclasses to perform custom
@@ -158,7 +158,7 @@ public:
 		///     reactor.addEventHandler(obs);
 
 	bool hasEventHandler(const Socket& socket, const Poco::AbstractObserver& observer);
-		/// Returns true if the observer is reistered with SocketReactor for the given socket.
+		/// Returns true if the observer is registered with SocketReactor for the given socket.
 
 	void removeEventHandler(const Socket& socket, const Poco::AbstractObserver& observer);
 		/// Unregisters an event handler with the SocketReactor.
diff --git a/Net/include/Poco/Net/StreamSocket.h b/Net/include/Poco/Net/StreamSocket.h
index 987da8489..6127b73e1 100644
--- a/Net/include/Poco/Net/StreamSocket.h
+++ b/Net/include/Poco/Net/StreamSocket.h
@@ -160,7 +160,7 @@ public:
 
 	StreamSocket(SocketImpl* pImpl);
 		/// Creates the Socket and attaches the given SocketImpl.
-		/// The socket takes owership of the SocketImpl.
+		/// The socket takes ownership of the SocketImpl.
 		///
 		/// The SocketImpl must be a StreamSocketImpl, otherwise
 		/// an InvalidArgumentException will be thrown.
diff --git a/NetSSL_OpenSSL/include/Poco/Net/Context.h b/NetSSL_OpenSSL/include/Poco/Net/Context.h
index 734e726b0..6a0988c4c 100644
--- a/NetSSL_OpenSSL/include/Poco/Net/Context.h
+++ b/NetSSL_OpenSSL/include/Poco/Net/Context.h
@@ -226,29 +226,29 @@ public:
 		///
 		/// Specifying a size of 0 will set an unlimited cache size.
 		///
-		/// This method may only be called on SERVER_USE Context objets.
+		/// This method may only be called on SERVER_USE Context objects.
 		
 	std::size_t getSessionCacheSize() const;
 		/// Returns the current maximum size of the server session cache.
 		///
-		/// This method may only be called on SERVER_USE Context objets.
+		/// This method may only be called on SERVER_USE Context objects.
 		
 	void setSessionTimeout(long seconds);
 		/// Sets the timeout (in seconds) of cached sessions on the server.
 		/// A cached session will be removed from the cache if it has
 		/// not been used for the given number of seconds.
 		///
-		/// This method may only be called on SERVER_USE Context objets.
+		/// This method may only be called on SERVER_USE Context objects.
 
 	long getSessionTimeout() const;
 		/// Returns the timeout (in seconds) of cached sessions on the server.
 		///
-		/// This method may only be called on SERVER_USE Context objets.
+		/// This method may only be called on SERVER_USE Context objects.
 
 	void flushSessionCache();
 		/// Flushes the SSL session cache on the server.
 		///
-		/// This method may only be called on SERVER_USE Context objets.
+		/// This method may only be called on SERVER_USE Context objects.
 				
 	void enableExtendedCertificateVerification(bool flag = true);
 		/// Enable or disable the automatic post-connection
diff --git a/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h b/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h
index 070aecebc..aa9d137d0 100644
--- a/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h
+++ b/NetSSL_OpenSSL/include/Poco/Net/SSLManager.h
@@ -51,11 +51,11 @@ class NetSSL_API SSLManager
 	/// Proper initialization of SSLManager is critical.
 	///
 	/// SSLManager can be initialized manually, by calling initializeServer()
-	/// and/or initializeClient(), or intialization can be automatic. In the latter
+	/// and/or initializeClient(), or initialization can be automatic. In the latter
 	/// case, a Poco::Util::Application instance must be available and the required
 	/// configuration properties must be set (see below).
 	///
-	/// Note that manual intialization must happen very early in the application,
+	/// Note that manual initialization must happen very early in the application,
 	/// before defaultClientContext() or defaultServerContext() are called.
 	///
 	/// If defaultClientContext() and defaultServerContext() are never called
diff --git a/NetSSL_OpenSSL/include/Poco/Net/SecureSMTPClientSession.h b/NetSSL_OpenSSL/include/Poco/Net/SecureSMTPClientSession.h
index bca3b7b7c..12f25cf81 100644
--- a/NetSSL_OpenSSL/include/Poco/Net/SecureSMTPClientSession.h
+++ b/NetSSL_OpenSSL/include/Poco/Net/SecureSMTPClientSession.h
@@ -31,7 +31,7 @@ namespace Net {
 
 class NetSSL_API SecureSMTPClientSession: public SMTPClientSession
 	/// This class implements an Simple Mail
-	/// Transfer Procotol (SMTP, RFC 2821)
+	/// Transfer Protocol (SMTP, RFC 2821)
 	/// client for sending e-mail messages that
 	/// supports the STARTTLS command for secure
 	/// connections.
diff --git a/NetSSL_Win/include/Poco/Net/SSLManager.h b/NetSSL_Win/include/Poco/Net/SSLManager.h
index 608b99e47..d960e2fb0 100644
--- a/NetSSL_Win/include/Poco/Net/SSLManager.h
+++ b/NetSSL_Win/include/Poco/Net/SSLManager.h
@@ -53,7 +53,7 @@ class NetSSL_Win_API SSLManager
 	/// Proper initialization of SSLManager is critical.
 	///
 	/// SSLManager can be initialized manually, by calling initializeServer()
-	/// and/or initializeClient(), or intialization can be automatic. In the latter
+	/// and/or initializeClient(), or initialization can be automatic. In the latter
 	/// case, a Poco::Util::Application instance must be available and the required
 	/// configuration properties must be set (see below).
 	///
diff --git a/NetSSL_Win/include/Poco/Net/SecureSMTPClientSession.h b/NetSSL_Win/include/Poco/Net/SecureSMTPClientSession.h
index 675eb4dee..5732eee9d 100644
--- a/NetSSL_Win/include/Poco/Net/SecureSMTPClientSession.h
+++ b/NetSSL_Win/include/Poco/Net/SecureSMTPClientSession.h
@@ -31,7 +31,7 @@ namespace Net {
 
 class NetSSL_Win_API SecureSMTPClientSession: public SMTPClientSession
 	/// This class implements an Simple Mail
-	/// Transfer Procotol (SMTP, RFC 2821)
+	/// Transfer Protocol (SMTP, RFC 2821)
 	/// client for sending e-mail messages that
 	/// supports the STARTTLS command for secure
 	/// connections.
diff --git a/PDF/include/Poco/PDF/Document.h b/PDF/include/Poco/PDF/Document.h
index 2415babf3..4dbaada45 100644
--- a/PDF/include/Poco/PDF/Document.h
+++ b/PDF/include/Poco/PDF/Document.h
@@ -293,7 +293,7 @@ public:
 		/// Sets the document info.
  
 	void setInfo(Info info, const LocalDateTime& dt);
-		/// Sets the document creation or moidification date.
+		/// Sets the document creation or modification date.
 
 	std::string getInfo(Info info);
 		/// Returns the document info.
diff --git a/Util/include/Poco/Util/AbstractConfiguration.h b/Util/include/Poco/Util/AbstractConfiguration.h
index 4cc09cf07..4bbfbc187 100644
--- a/Util/include/Poco/Util/AbstractConfiguration.h
+++ b/Util/include/Poco/Util/AbstractConfiguration.h
@@ -302,7 +302,7 @@ public:
 		/// Creates a view (see ConfigurationView) into the configuration.
 	
 	std::string expand(const std::string& value) const;
-		/// Replaces all occurences of ${<property>} in value with the
+		/// Replaces all occurrences of ${<property>} in value with the
 		/// value of the <property>. If <property> does not exist,
 		/// nothing is changed.
 		///
diff --git a/Util/include/Poco/Util/WinRegistryConfiguration.h b/Util/include/Poco/Util/WinRegistryConfiguration.h
index fbbbd0071..64bc8cc7f 100644
--- a/Util/include/Poco/Util/WinRegistryConfiguration.h
+++ b/Util/include/Poco/Util/WinRegistryConfiguration.h
@@ -41,8 +41,8 @@ public:
 		/// Creates the WinRegistryConfiguration. 
 		/// The rootPath must start with one of the root key names
 		/// like HKEY_CLASSES_ROOT, e.g. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services.
-		/// All further keys are relativ to the root path and can be
-		/// dot seperated, e.g. the path MyService.ServiceName will be converted to
+		/// All further keys are relative to the root path and can be
+		/// dot separated, e.g. the path MyService.ServiceName will be converted to
 		/// HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\MyService\ServiceName.
         /// The extraSam parameter will be passed along to WinRegistryKey, to control
         /// registry virtualization for example.