Grammar change

src/ng/directive/ngModel.js

@@ -285,10 +285,10 @@ var NgModelController = ['$scope', '$exceptionHandler', '$attrs', '$element', '$
    * * `$rollbackViewValue()` is called.  If we are rolling back the view value to the last
    *   committed value then `$render()` is called to update the input control.
    * * The value referenced by `ng-model` is changed programmatically and both the `$modelValue` and
-   *   the `$viewValue` are different to last time.
+   *   the `$viewValue` are different from last time.
    *
    * Since `ng-model` does not do a deep watch, `$render()` is only invoked if the values of
-   * `$modelValue` and `$viewValue` are actually different to their previous value. If `$modelValue`
+   * `$modelValue` and `$viewValue` are actually different from their previous value. If `$modelValue`
    * or `$viewValue` are objects (rather than a string or number) then `$render()` will not be
    * invoked if you only change a property on the objects.
    */
@@ -305,7 +305,7 @@ var NgModelController = ['$scope', '$exceptionHandler', '$attrs', '$element', '$
    *
    * The default `$isEmpty` function checks whether the value is `undefined`, `''`, `null` or `NaN`.
    *
-   * You can override this for input directives whose concept of being empty is different to the
+   * You can override this for input directives whose concept of being empty is different from the
    * default. The `checkboxInputType` directive does this because in its case a value of `false`
    * implies empty.
    *
@@ -954,7 +954,7 @@ var NgModelController = ['$scope', '$exceptionHandler', '$attrs', '$element', '$
  * Sometimes it's helpful to bind `ngModel` to a getter/setter function.  A getter/setter is a
  * function that returns a representation of the model when called with zero arguments, and sets
  * the internal state of a model when called with an argument. It's sometimes useful to use this
- * for models that have an internal representation that's different than what the model exposes
+ * for models that have an internal representation that's different from what the model exposes
  * to the view.
  *
  * <div class="alert alert-success">
@@ -1070,7 +1070,7 @@ var DEFAULT_REGEXP = /(\s+|^)default(\s+|$)/;
  * takes place when a timer expires; this timer will be reset after another change takes place.
  *
  * Given the nature of `ngModelOptions`, the value displayed inside input fields in the view might
- * be different than the value in the actual model. This means that if you update the model you
+ * be different from the value in the actual model. This means that if you update the model you
  * should also invoke {@link ngModel.NgModelController `$rollbackViewValue`} on the relevant input field in
  * order to make sure it is synchronized with the model and that any debounced action is canceled.
  *