diff --git a/libexec/rlogind/rlogind.8 b/libexec/rlogind/rlogind.8
index a702b137d0a7..82541ceb8ead 100644
--- a/libexec/rlogind/rlogind.8
+++ b/libexec/rlogind/rlogind.8
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)rlogind.8	8.1 (Berkeley) 6/4/93
-.\"	$Id$
+.\"	$Id: rlogind.8,v 1.4 1996/09/22 21:54:55 wosch Exp $
 .\"
 .Dd June 4, 1993
 .Dt RLOGIND 8
@@ -64,6 +64,20 @@ file, unless the user is logging in as the superuser.
 Disable keep-alive messages.
 .El
 .Pp
+The following options are valid only if Kerberos is in use:
+.Bl -tag -width Ds
+.It Fl k
+Enable Kerberos authentication.
+.It Fl v
+Enable vacuous mode.
+.It Fl x
+Enable 
+.Tn DES
+encryption for all data passed via the rlogin
+session.   This may impact response time
+and CPU utilization, but provides increased security.
+.El
+.Pp
 .Nm Rlogind
 listens for service requests at the port indicated in
 the ``login'' service specification; see