diff --git a/src/applications/maniphest/mail/ManiphestReplyHandler.php b/src/applications/maniphest/mail/ManiphestReplyHandler.php
index 084d55d38d..e2db4cd91f 100644
--- a/src/applications/maniphest/mail/ManiphestReplyHandler.php
+++ b/src/applications/maniphest/mail/ManiphestReplyHandler.php
@@ -27,8 +27,8 @@ final class ManiphestReplyHandler extends PhabricatorMailReplyHandler {
 
   public function getReplyHandlerInstructions() {
     if ($this->supportsReplies()) {
-      return "Reply to comment or attach files, or !close, !claim, or ".
-             "!unsubscribe.";
+      return "Reply to comment or attach files, or !close, !claim, ".
+             "!unsubscribe or !assign <username>.";
     } else {
       return null;
     }