diff --git a/src/Angular.js b/src/Angular.js
index d998b0f4fb05..e102bcf45ee3 100644
--- a/src/Angular.js
+++ b/src/Angular.js
@@ -401,6 +401,8 @@ noop.$inject = [];
        return (transformationFn || angular.identity)(value);
      };
    ```
+  * @param {*} value to be returned.
+  * @returns {*} the value passed in.
  */
 function identity($) {return $;}
 identity.$inject = [];