diff -r b6732e0d38c5 -r aebc0161f6e5 lemon/core.h
--- a/lemon/core.h	Mon Jul 21 16:30:28 2008 +0200
+++ b/lemon/core.h	Wed Jul 23 11:32:47 2008 +0200
@@ -27,6 +27,10 @@
 
 ///\file
 ///\brief LEMON core utilities.
+///
+///This header file contains core utilities for LEMON.
+///It is automatically included by all graph types, therefore it usually 
+///do not have to be included directly.
 
 namespace lemon {