===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/lock/lock.1,v
retrieving revision 1.19
retrieving revision 1.20
diff -u -r1.19 -r1.20
--- src/usr.bin/lock/lock.1	2019/07/19 18:32:19	1.19
+++ src/usr.bin/lock/lock.1	2019/07/24 20:23:09	1.20
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: lock.1,v 1.19 2019/07/19 18:32:19 cheloha Exp $
+.\"	$OpenBSD: lock.1,v 1.20 2019/07/24 20:23:09 schwarze Exp $
 .\"
 .\" Copyright (c) 1987, 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -29,7 +29,7 @@
 .\"
 .\"	@(#)lock.1	8.1 (Berkeley) 6/6/93
 .\"
-.Dd $Mdocdate: July 19 2019 $
+.Dd $Mdocdate: July 24 2019 $
 .Dt LOCK 1
 .Os
 .Sh NAME
@@ -37,7 +37,7 @@
 .Nd reserve a terminal
 .Sh SYNOPSIS
 .Nm lock
-.Op Fl p
+.Op Fl np
 .Op Fl a Ar style
 .Op Fl t Ar timeout
 .Sh DESCRIPTION
@@ -63,6 +63,15 @@
 .Ar style
 to get the standard prompt for that
 .Ar style .
+.It Fl n
+Lock the terminal forever.
+This overrides
+.Fl t
+and is the default on
+.Ox
+unless
+.Fl t
+is specified.
 .It Fl p
 A password is not requested, instead the user's current login password
 is used.
@@ -78,7 +87,9 @@
 .It Fl t Ar timeout
 Unlock the terminal after
 .Ar timeout
-minutes.
+minutes unless
+.Fl n
+is also specified.
 When used in this manner
 .Nm
 should be invoked so that the user is safely logged out