diff --git a/sbin/natd/icmp.c b/sbin/natd/icmp.c
index 13a1cd2b950d..9624efd10313 100644
--- a/sbin/natd/icmp.c
+++ b/sbin/natd/icmp.c
@@ -1,5 +1,13 @@
 /*
- * $Id$
+ * This software is provided free of charge, with no 
+ * warranty of any kind, either expressed or implied.
+ * Use at your own risk.
+ * 
+ * You may copy, modify and distribute this software freely.
+ *
+ * Ari Suutari <suutari@iki.fi>
+ *
+ * $Id: icmp.c,v 1.3 1997/12/27 19:31:11 alex Exp $
  */
 
 #include <stdlib.h>
diff --git a/usr.sbin/natd/icmp.c b/usr.sbin/natd/icmp.c
index 13a1cd2b950d..9624efd10313 100644
--- a/usr.sbin/natd/icmp.c
+++ b/usr.sbin/natd/icmp.c
@@ -1,5 +1,13 @@
 /*
- * $Id$
+ * This software is provided free of charge, with no 
+ * warranty of any kind, either expressed or implied.
+ * Use at your own risk.
+ * 
+ * You may copy, modify and distribute this software freely.
+ *
+ * Ari Suutari <suutari@iki.fi>
+ *
+ * $Id: icmp.c,v 1.3 1997/12/27 19:31:11 alex Exp $
  */
 
 #include <stdlib.h>