diff --git a/signal.c b/signal.c
index ff1a4245..75f80b51 100644
--- a/signal.c
+++ b/signal.c
@@ -1,4 +1,4 @@
-/* $Id$ */
+/* $OpenBSD$ */
 
 /*
  * Copyright (c) 2007 Nicholas Marriott <nicm@users.sourceforge.net>