Update Maniphest title transaction again

Summary: Ref T12732, third time is the charm?

Test Plan: Read

Reviewers: epriestley

Subscribers: Korvin

Maniphest Tasks: T12732

Differential Revision: https://secure.phabricator.com/D17965

src/applications/maniphest/xaction/ManiphestTaskTitleTransaction.php

@@ -36,7 +36,7 @@ final class ManiphestTaskTitleTransaction
     }
 
     return pht(
-      '%s renamed the title from %s to %s.',
+      '%s renamed this task from %s to %s.',
       $this->renderAuthor(),
       $this->renderOldValue(),
       $this->renderNewValue());