[ticket/12557] Fix doc block errors found by Sami pt1

PHPBB3-12557

phpBB/phpbb/controller/helper.php

@@ -85,6 +85,8 @@ class helper
 	* @param string $handle The template handle to render
 	* @param string $page_title The title of the page to output
 	* @param int $status_code The status code to be sent to the page header
+	* @param bool $display_online_list Do we display online users list
+	*
 	* @return Response object containing rendered page
 	*/
 	public function render($template_file, $page_title = '', $status_code = 200, $display_online_list = false)