diff --git a/usr.sbin/kbdmap/kbdmap.1 b/usr.sbin/kbdmap/kbdmap.1
index 400afb350c1..e735a969d11 100644
--- a/usr.sbin/kbdmap/kbdmap.1
+++ b/usr.sbin/kbdmap/kbdmap.1
@@ -112,12 +112,17 @@ describe common
 .Ev LANG
 values
 .El
-.\" .Sh BUGS
+.Sh BUGS
 .\" .Nm kbdmap/vidfont
 .\" does not know which font is in use. E.g. if the current font
 .\" is iso-8859-1 and you chose lang 'ru' (for Russian)
 .\" you get funny latin1 characters and not russkij shrift.
 .\"
+.Nm vidmap
+and
+.Nm kbdmap
+work only on a (virtual) console and not with
+.Tn X11 .
 .Sh SEE ALSO
 .Xr dialog 1 ,
 .Xr kbdcontrol 1 ,