diff --git a/Foundation/include/Poco/Timezone.h b/Foundation/include/Poco/Timezone.h
index ddfe843e9..7c4fb804f 100644
--- a/Foundation/include/Poco/Timezone.h
+++ b/Foundation/include/Poco/Timezone.h
@@ -53,7 +53,7 @@ class Foundation_API Timezone
 public:
 	static int utcOffset();
 		/// Returns the offset of local time to UTC, in seconds.
-		///     local time = UTC + utcOffset().
+		///     local time = UTC + utcOffset() + dst().
 		
 	static int dst();
 		/// Returns the daylight saving time offset in seconds if