diff --git a/src/ng/q.js b/src/ng/q.js
index 8b4747552081..ef856dca6572 100644
--- a/src/ng/q.js
+++ b/src/ng/q.js
@@ -12,7 +12,7 @@
  * interface for interacting with an object that represents the result of an action that is
  * performed asynchronously, and may or may not be finished at any given point in time.
  *
- * From the perspective of dealing with error handling, deferred and promise apis are to
+ * From the perspective of dealing with error handling, deferred and promise APIs are to
  * asynchronous programming what `try`, `catch` and `throw` keywords are to synchronous programming.
  *
  * <pre>
@@ -47,7 +47,7 @@
  *
  * At first it might not be obvious why this extra complexity is worth the trouble. The payoff
  * comes in the way of
- * [guarantees that promise and deferred apis make](https://github.com/kriskowal/uncommonjs/blob/master/promises/specification.md).
+ * [guarantees that promise and deferred APIs make](https://github.com/kriskowal/uncommonjs/blob/master/promises/specification.md).
  *
  * Additionally the promise api allows for composition that is very hard to do with the
  * traditional callback ([CPS](http://en.wikipedia.org/wiki/Continuation-passing_style)) approach.
@@ -59,7 +59,7 @@
  *
  * A new instance of deferred is constructed by calling `$q.defer()`.
  *
- * The purpose of the deferred object is to expose the associated Promise instance as well as apis
+ * The purpose of the deferred object is to expose the associated Promise instance as well as APIs
  * that can be used for signaling the successful or unsuccessful completion of the task.
  *
  * **Methods**
@@ -136,7 +136,7 @@
  *      expect(resolvedValue).toBeUndefined();
  * 
  *      // Simulate resolving of promise
- *      defered.resolve(123);
+ *      deferred.resolve(123);
  *      // Note that the 'then' function does not get called synchronously.
  *      // This is because we want the promise API to always be async, whether or not
  *      // it got called synchronously or asynchronously.
@@ -317,7 +317,7 @@ function qFactory(nextTick, exceptionHandler) {
    *
    * @param {*} value Value or a promise
    * @returns {Promise} Returns a single promise that will be resolved with an array of values,
-   *   each value coresponding to the promise at the same index in the `promises` array. If any of
+   *   each value corresponding to the promise at the same index in the `promises` array. If any of
    *   the promises is resolved with a rejection, this resulting promise will be resolved with the
    *   same rejection.
    */
@@ -379,7 +379,7 @@ function qFactory(nextTick, exceptionHandler) {
    *
    * @param {Array.<Promise>} promises An array of promises.
    * @returns {Promise} Returns a single promise that will be resolved with an array of values,
-   *   each value coresponding to the promise at the same index in the `promises` array. If any of
+   *   each value corresponding to the promise at the same index in the `promises` array. If any of
    *   the promises is resolved with a rejection, this resulting promise will be resolved with the
    *   same rejection.
    */