diff --git a/includes/actions/WatchAction.php b/includes/actions/WatchAction.php
index aed3be58a35..79c69edf667 100644
--- a/includes/actions/WatchAction.php
+++ b/includes/actions/WatchAction.php
@@ -54,8 +54,7 @@ class WatchAction extends FormAction {
 	}
 
 	/**
-	 * purge is slightly weird because it can be either formed or formless depending
-	 * on user permissions
+	 * This can be either formed or formless depending on the session token given
 	 */
 	public function show() {
 		$this->setHeaders();