diff --git a/mksh.1 b/mksh.1
index 948529a..9c42635 100644
--- a/mksh.1
+++ b/mksh.1
@@ -1,4 +1,4 @@
-.\" $MirOS: src/bin/mksh/mksh.1,v 1.273 2011/08/13 22:19:40 tg Exp $
+.\" $MirOS: src/bin/mksh/mksh.1,v 1.274 2011/09/13 18:46:46 tg Exp $
 .\" $OpenBSD: ksh.1,v 1.140 2011/04/23 10:14:59 sobrado Exp $
 .\"-
 .\" Copyright © 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009,
@@ -72,7 +72,7 @@
 .\" with -mandoc, it might implement .Mx itself, but we want to
 .\" use our own definition. And .Dd must come *first*, always.
 .\"
-.Dd $Mdocdate: August 13 2011 $
+.Dd $Mdocdate: September 13 2011 $
 .\"
 .\" Check which macro package we use
 .\"
@@ -6225,6 +6225,16 @@ This shell is based upon the Public Domain Korn SHell.
 The developer of mksh recognises the efforts of the pdksh authors,
 who had dedicated their work into Public Domain, our users, and
 all contributors, such as the Debian and OpenBSD projects.
+.\"
+.\" Charles Forsyth, author of the (Public Domain) Bourne Shell clone,
+.\" which mksh is derived from, agreed to the following:
+.\"
+.\" In countries where the Public Domain status of the work may not be
+.\" valid, its primary author hereby grants a copyright licence to the
+.\" general public to deal in the work without restriction and permis-
+.\" sion to sublicence derivates under the terms of any (OSI approved)
+.\" Open Source licence.
+.\"
 See the documentation, CVS, and web site for details.
 .Sh CAVEATS
 .Nm