Flow enable mw:Talk:MediaWiki UI (fix typo)

This fixes the typo in Ieb92e99ced6cb08a540132cebb7896cb460934eb

Bug: 71204
Change-Id: If5a02db5dec3902fc4579e6ab0701d20b9004703
Merge "Flow enable mw:Talk:MediaWiki UI (fix typo)"