diff --git a/python/mozbuild/mozbuild/export_telemetry_schema.py b/python/mozbuild/mozbuild/export_telemetry_schema.py
index 3fd844f70e87..5a3bc97b5063 100644
--- a/python/mozbuild/mozbuild/export_telemetry_schema.py
+++ b/python/mozbuild/mozbuild/export_telemetry_schema.py
@@ -1,4 +1,8 @@
 #!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
 
 from __future__ import absolute_import, print_function, unicode_literals