diff --git a/msdos/ChangeLog b/msdos/ChangeLog
index 1034b0a3d23..fd320d85920 100644
--- a/msdos/ChangeLog
+++ b/msdos/ChangeLog
@@ -1,3 +1,7 @@
+2010-05-18  Eli Zaretskii  <eliz@gnu.org>
+
+	* sed1x.inp: Add copyright notice.
+
 2010-05-18  Glenn Morris  <rgm@gnu.org>
 
 	* sed1v2.inp (RALLOC_OBJ): Edit to ralloc.o.
diff --git a/msdos/sed1x.inp b/msdos/sed1x.inp
index d0e0734651f..118b00c2538 100644
--- a/msdos/sed1x.inp
+++ b/msdos/sed1x.inp
@@ -1,6 +1,21 @@
 # -sed1x.inp------------------------------------------------------------
 # Extra configuration script for src/makefile for DesqView/X
 # ----------------------------------------------------------------------
+#
+# Copyright (C) 1994, 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004,
+#   2005, 2006, 2007, 2008, 2009, 2010  Free Software Foundation, Inc.
+#
+# This file is part of GNU Emacs.
+#
+# This file is free software; as a special exception, the author gives
+# unlimited permission to copy and/or distribute it, with or without
+# modifications, as long as this notice is preserved.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+#
+# ----------------------------------------------------------------------
 s!^	cd \${oldXMenudir}; \${MAKE}.*$!	${MAKE} -C ${oldXMenudir}.!
 s!^	@true *$!	@rem!
 s/DOC/DOC-X/g