diff --git a/sbin/natd/icmp.c b/sbin/natd/icmp.c
index 2018f66128c9..13a1cd2b950d 100644
--- a/sbin/natd/icmp.c
+++ b/sbin/natd/icmp.c
@@ -1,3 +1,7 @@
+/*
+ * $Id$
+ */
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
diff --git a/sbin/natd/natd.c b/sbin/natd/natd.c
index 11d732a49af7..3646a3322c15 100644
--- a/sbin/natd/natd.c
+++ b/sbin/natd/natd.c
@@ -1,7 +1,7 @@
 /*
  * natd - Network Address Translation Daemon for FreeBSD.
  *
- * This software ois provided free of charge, with no 
+ * This software is provided free of charge, with no 
  * warranty of any kind, either expressed or implied.
  * Use at your own risk.
  * 
@@ -9,6 +9,7 @@
  *
  * Ari Suutari <suutari@iki.fi>
  *
+ * $Id$
  */
 
 #include <sys/types.h>
diff --git a/usr.sbin/natd/icmp.c b/usr.sbin/natd/icmp.c
index 2018f66128c9..13a1cd2b950d 100644
--- a/usr.sbin/natd/icmp.c
+++ b/usr.sbin/natd/icmp.c
@@ -1,3 +1,7 @@
+/*
+ * $Id$
+ */
+
 #include <stdlib.h>
 #include <stdio.h>
 #include <unistd.h>
diff --git a/usr.sbin/natd/natd.c b/usr.sbin/natd/natd.c
index 11d732a49af7..3646a3322c15 100644
--- a/usr.sbin/natd/natd.c
+++ b/usr.sbin/natd/natd.c
@@ -1,7 +1,7 @@
 /*
  * natd - Network Address Translation Daemon for FreeBSD.
  *
- * This software ois provided free of charge, with no 
+ * This software is provided free of charge, with no 
  * warranty of any kind, either expressed or implied.
  * Use at your own risk.
  * 
@@ -9,6 +9,7 @@
  *
  * Ari Suutari <suutari@iki.fi>
  *
+ * $Id$
  */
 
 #include <sys/types.h>