diff --git a/iso3166.tab b/iso3166.tab
index dfcb890..3fe81ad 100644
--- a/iso3166.tab
+++ b/iso3166.tab
@@ -1,6 +1,8 @@
-# ISO 3166 alpha-2 country codes
-#
+# <pre>
 # %W%
+# This file is in the public domain, so clarified as of
+# 2009-05-17 by Arthur David Olson.
+# ISO 3166 alpha-2 country codes
 #
 # From Paul Eggert (2006-09-27):
 #