docs(ngModelOptions): fix example

Author: timkindberg

src/ng/directive/input.js

@@ -2729,7 +2729,7 @@ var ngValueDirective = function() {
  *   - `debounce`: integer value which contains the debounce model update value in milliseconds. A
  *     value of 0 triggers an immediate update. If an object is supplied instead, you can specify a
  *     custom value for each event. For example:
- *     `ngModelOptions="{ updateOn: 'default blur', debounce: {'default': 500, 'blur': 0} }"`
+ *     `ng-model-options="{ updateOn: 'default blur', debounce: {'default': 500, 'blur': 0} }"`
  *   - `getterSetter`: boolean value which determines whether or not to treat functions bound to
        `ngModel` as getters/setters.
  *   - `timezone`: Defines the timezone to be used to read/write the `Date` instance in the model for