It says: "To see all open edits for your subscriptions, see this link:
http://musicbrainz.org/edit/subscribed"

If you click on that link, what you're shown are the open edits for your subscribed artists and labels, but not for your editors.

"Subscriptions" should be changed to "Subscribed entities" to correspond with the header at http://musicbrainz.org/edit/subscribed