diff --git a/kdc/kdc.8 b/kdc/kdc.8
index 171c426a0..f14ec5a37 100644
--- a/kdc/kdc.8
+++ b/kdc/kdc.8
@@ -124,7 +124,7 @@ option might be used.
 .It Fl Fl detach
 detach from pty and run as a daemon.
 .It Fl Fl disable-des
-disable add des encryption types, makes the kdc not use them.
+disable all des encryption types, makes the kdc not use them.
 .El
 .Pp
 All activities are logged to one or more destinations, see