--- a/src/sound/null_s.h	Mon May 05 12:35:38 2008 +0000
+++ b/src/sound/null_s.h	Wed May 07 21:09:51 2008 +0000
@@ -1,5 +1,7 @@
 /* $Id$ */
 
+/** @file null_s.h Base for the sound of silence. */
+
 #ifndef SOUND_NULL_H
 #define SOUND_NULL_H