--- a/src/newgrf_sound.h	Tue May 06 15:06:19 2008 +0000
+++ b/src/newgrf_sound.h	Tue May 06 15:11:33 2008 +0000
@@ -1,6 +1,6 @@
 /* $Id$ */
 
-/** @file newgrf_sound.h */
+/** @file newgrf_sound.h Functions related to NewGRF provided sounds. */
 
 #ifndef NEWGRF_SOUND_H
 #define NEWGRF_SOUND_H