http://musicbrainz.org/relationship/22ec436d-bb65-4c83-a268-0fdb0dbd8834/edit says: "This relationship type can be used to link a place to the equivalent entry in YouTube. URLs should follow the format http://www.youtube.com/user/<username>"

http://musicbrainz.org/relationship/22ec436d-bb65-4c83-a268-0fdb0dbd8834 says: "This relationship type can be used to link a place to the equivalent entry in YouTube. URLs should follow the format http://www.youtube.com/user/"

Editing the relationship to use &lt;username&gt; works at first, but if it gets edited again, it goes back to the old behaviour.