diff --git a/src/loader.js b/src/loader.js
index 32ce08ee..5b368272 100644
--- a/src/loader.js
+++ b/src/loader.js
@@ -72,9 +72,9 @@ function setupModuleLoader(window) {
      * {@link angular.bootstrap} to simplify this process for you.
      *
      * @param {!string} name The name of the module to create or retrieve.
-     * @param {Array.<string>=} requires If specified then new module is being created. If
+     * @param {!Array.<string>=} requires If specified then new module is being created. If
      *        unspecified then the module is being retrieved for further configuration.
-     * @param {Function} configFn Optional configuration function for the module. Same as
+     * @param {Function=} configFn Optional configuration function for the module. Same as
      *        {@link angular.Module#config Module#config()}.
      * @returns {module} new module with the {@link angular.Module} api.
      */