diff -r 626939628b4a -r f50c8c191cbd lemon/graph_writer.h
--- a/lemon/graph_writer.h	Mon May 15 09:44:35 2006 +0000
+++ b/lemon/graph_writer.h	Mon May 15 09:46:33 2006 +0000
@@ -16,7 +16,7 @@
  *
  */
 
-///\ingroup io_group
+///\ingroup lemon_io
 ///\file
 ///\brief Lemon Graph Format writer.
 ///
@@ -31,7 +31,7 @@
 
 namespace lemon {
 
-  /// \addtogroup io_group
+  /// \addtogroup lemon_io
   /// @{
 
   /// \brief The graph writer class.