diff --git a/doc/misc/sort-options.pl b/doc/misc/sort-options.pl
index 88a2290268..42515215df 100644
--- a/doc/misc/sort-options.pl
+++ b/doc/misc/sort-options.pl
@@ -1,4 +1,20 @@
 #!/bin/perl
+#
+# Copyright (C) 2007  Internet Systems Consortium, Inc. ("ISC")
+#
+# Permission to use, copy, modify, and/or distribute this software for any
+# purpose with or without fee is hereby granted, provided that the above
+# copyright notice and this permission notice appear in all copies.
+#
+# THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
+# REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
+# AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
+# INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
+# LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
+# OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+# PERFORMANCE OF THIS SOFTWARE.
+
+# $Id: sort-options.pl,v 1.3 2007/09/24 23:46:48 tbox Exp $
 
 sub sortlevel() {
 	my @options = ();