===================================================================
RCS file: /cvsrepo/anoncvs/cvs/src/usr.bin/mg/mg.1,v
retrieving revision 1.97
retrieving revision 1.98
diff -u -r1.97 -r1.98
--- src/usr.bin/mg/mg.1	2015/12/22 15:33:16	1.97
+++ src/usr.bin/mg/mg.1	2015/12/24 09:07:47	1.98
@@ -1,7 +1,7 @@
-.\"	$OpenBSD: mg.1,v 1.97 2015/12/22 15:33:16 lum Exp $
+.\"	$OpenBSD: mg.1,v 1.98 2015/12/24 09:07:47 lum Exp $
 .\" This file is in the public domain.
 .\"
-.Dd $Mdocdate: December 22 2015 $
+.Dd $Mdocdate: December 24 2015 $
 .Dt MG 1
 .Os
 .Sh NAME
@@ -9,7 +9,7 @@
 .Nd emacs-like text editor
 .Sh SYNOPSIS
 .Nm mg
-.Op Fl n
+.Op Fl nR
 .Op Fl f Ar mode
 .Op + Ns Ar number
 .Op Ar
@@ -40,6 +40,8 @@
 scratch buffer and all files.
 .It Fl n
 Turn off backup file generation.
+.It Fl R
+Files specified on the command line will be opened read-only.
 .El
 .Sh WINDOWS AND BUFFERS
 When a file is loaded into