diff --git a/convert_cldr.py b/convert_cldr.py
index 59d699eda..8ecc213a5 100755
--- a/convert_cldr.py
+++ b/convert_cldr.py
@@ -1,4 +1,21 @@
-#!/usr/bin/python
+#!/usr/bin/python3
+
+# Copyright 2015  Daiki Ueno <dueno@src.gnome.org>
+#           2016  Parag Nemade <pnemade@redhat.com>
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License as
+# published by the Free Software Foundation; either version 2 of the
+# License, or (at your option) any later version.
+#
+# 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.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this program; if not, see
+# <http://www.gnu.org/licenses/>.
 
 from gi.repository import Gdk
 from xml.etree.ElementTree import ElementTree, Element