Updated iTunes podcast format link in syndication docs.
@@ -1033,7 +1033,7 @@ attributes. Thus, you can subclass the appropriate feed generator class
(``Atom1Feed`` or ``Rss201rev2Feed``) and extend these callbacks. They are:
.. _georss: http://georss.org/
-.. _itunes podcast format: https://www.apple.com/itunes/podcasts/specs.html
+.. _itunes podcast format: https://help.apple.com/itc/podcasts_connect/#/itcb54353390
``SyndicationFeed.root_attributes(self)``
Return a ``dict`` of attributes to add to the root feed element
