small doc fix

diff --git a/includes/api/ApiBase.php b/includes/api/ApiBase.php
index f149af3..952c921 100644 (file)
--- a/includes/api/ApiBase.php
+++ b/includes/api/ApiBase.php
@@ -285,7 +285,7 @@ abstract class ApiBase {
        /**
         * Generates the parameter descriptions for this module, to be displayed in the
         * module's help.
-        * @return string
+        * @return string or false
         */
        public function makeHelpMsgParameters() {
                $params = $this->getFinalParams();