diff --git a/addons/mail/models/__init__.py b/addons/mail/models/__init__.py
index a378f9e719d..b26760f3f5f 100644
--- a/addons/mail/models/__init__.py
+++ b/addons/mail/models/__init__.py
@@ -1,4 +1,5 @@
 # -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
 
 from . import mail_message_subtype
 from . import mail_tracking_value