diff --git a/Foundation/include/Poco/RegularExpression.h b/Foundation/include/Poco/RegularExpression.h
index d4c38cc0b..638b99e11 100644
--- a/Foundation/include/Poco/RegularExpression.h
+++ b/Foundation/include/Poco/RegularExpression.h
@@ -35,7 +35,7 @@ class Foundation_API RegularExpression
 	/// (see http://www.pcre.org).
 {
 public:
-	enum Options // These must match the corresponsing options in pcre.h!
+	enum Options // These must match the corresponding options in pcre.h!
 		/// Some of the following options can only be passed to the constructor;
 		/// some can be passed only to matching functions, and some can be used
 		/// everywhere.
@@ -173,19 +173,19 @@ 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,