diff --git a/sbin/mount_unionfs/mount_unionfs.8 b/sbin/mount_unionfs/mount_unionfs.8
index d120dd0ebe0c..36af48bffffe 100644
--- a/sbin/mount_unionfs/mount_unionfs.8
+++ b/sbin/mount_unionfs/mount_unionfs.8
@@ -353,6 +353,7 @@ USE AT YOUR
 OWN RISK.
 BEWARE OF DOG.
 SLIPPERY WHEN WET.
+BATTERIES NOT INCLUDED.
 .Pp
 This code also needs an owner in order to be less dangerous - serious
 hackers can apply by sending mail to