diff --git a/sbin/mdconfig/mdconfig.8 b/sbin/mdconfig/mdconfig.8
index 5437a38d29f2..498a5d1fa2ac 100644
--- a/sbin/mdconfig/mdconfig.8
+++ b/sbin/mdconfig/mdconfig.8
@@ -41,7 +41,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd November 6, 2004
+.Dd May 18, 2007
 .Dt MDCONFIG 8
 .Os
 .Sh NAME
@@ -215,6 +215,12 @@ bsdlabel -w md0 auto
 newfs md0c
 mount /dev/md0c /mnt
 .Ed
+.Pp
+To mount an ISO 9660 CD image file:
+.Bd -literal -offset indent
+mdconfig -a -t vnode -u 10 -f cdimage.iso
+mount_cd9660 /dev/md10 /mnt
+.Ed
 .Sh SEE ALSO
 .Xr md 4 ,
 .Xr bsdlabel 8 ,