diff --git a/odoo/models.py b/odoo/models.py
index 17169469e3e2038709b02b909d2c8f176b47c41f..ff69d7ca91a982765bf35c9bb3d6f1096f148246 100644
--- a/odoo/models.py
+++ b/odoo/models.py
@@ -1771,7 +1771,7 @@ class BaseModel(MetaModel('DummyModel', (object,), {'_register': False})):
                 #
                 # Mixing both formats, e.g. 'MMM YYYY' would yield wrong results,
                 # such as 2006-01-01 being formatted as "January 2005" in some locales.
-                # Cfr: http://babel.pocoo.org/docs/dates/#date-fields
+                # Cfr: http://babel.pocoo.org/en/latest/dates.html#date-fields
                 'hour': 'hh:00 dd MMM',
                 'day': 'dd MMM yyyy', # yyyy = normal year
                 'week': "'W'w YYYY",  # w YYYY = ISO week-year