diff --git a/dsv/dsv b/dsv/dsv
index 29f6bd3..a563a5d 100755
--- a/dsv/dsv
+++ b/dsv/dsv
@@ -2,6 +2,14 @@
 #
 # dsv - Improved data sheet viewer
 #
+# Written 2010 by Werner Almesberger
+# Copyright 2010 Werner Almesberger
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
 
 #
 # Theory of operation: