Corrected misspelt 'b' and 'c' words.

Data/include/Poco/Data/SQLChannel.h

@@ -109,7 +109,7 @@ public:
 		///                  However, prior to the next message being processed and sent to
 		///                  the target, the previous operation must have been either completed 
 		///                  or timed out (see timeout and throw properties for details on
-		///                  how abnormal conditos are handled).
+		///                  how abnormal conditions are handled).
 		///
 		///     * timeout:   Timeout (ms) to wait for previous log operation completion.
 		///                  Values "0" and "" mean no timeout. Only valid when logging
@@ -125,7 +125,7 @@ public:
 
 	std::size_t wait();
 		/// Waits for the completion of the previous operation and returns
-		/// the result. If chanel is in synchronous mode, returns 0 immediately.
+		/// the result. If channel is in synchronous mode, returns 0 immediately.
 
 	static void registerChannel();
 		/// Registers the channel with the global LoggingFactory.

Data/include/Poco/Data/Transaction.h

@@ -56,7 +56,7 @@ public:
 		/// reference as an argument.
 		///
 		/// When transaction is created using this constructor, it is executed and
-		/// commited automatically. If no error occurs, rollback is disabled and does
+		/// committed automatically. If no error occurs, rollback is disabled and does
 		/// not occur at destruction time. If an error occurs resulting in exception being
 		/// thrown, the transaction is rolled back and exception propagated to calling code.
 		/// 
@@ -84,7 +84,7 @@ public:
 
 	~Transaction();
 		/// Destroys the Transaction.
-		/// Rolls back the current database transaction if it has not been commited
+		/// Rolls back the current database transaction if it has not been committed
 		/// (by calling commit()), or rolled back (by calling rollback()).
 		///
 		/// If an exception is thrown during rollback, the exception is logged