diff --git a/sys/room/description.h b/sys/room/description.h
index c571341..3e2c00b 100644
--- a/sys/room/description.h
+++ b/sys/room/description.h
@@ -44,7 +44,7 @@
 #define __ROOM_DESCRIPTION_H_PROTO__
 
 // prototypes
-// no prototypes
+varargs void AddRoomMessage(string *mesg, int prob, mixed func);
 
 #endif // __ROOM_DESCRIPTION_H_PROTO__