docs(ngAnimate): add missing 'super' to addClass

Author: nosideeffects

src/ngAnimate/animate.js

@@ -646,7 +646,7 @@ angular.module('ngAnimate', ['ng'])
          * | 4. $animate scans the element styles to get the CSS transition/animation duration and delay    | class="my-animation ng-animate super-add"   |
          * | 5. $animate waits for 10ms (this performs a reflow)                                            | class="my-animation ng-animate super-add"   |
          * | 6. the .super, .super-add-active and .ng-animate-active classes are added (this triggers the CSS transition/animation) | class="my-animation ng-animate ng-animate-active super super-add super-add-active"          |
-         * | 7. $animate waits for X milliseconds for the animation to complete                             | class="my-animation super-add super-add-active"  |
+         * | 7. $animate waits for X milliseconds for the animation to complete                             | class="my-animation super super-add super-add-active"  |
          * | 8. The animation ends and all generated CSS classes are removed from the element               | class="my-animation super"                  |
          * | 9. The super class is kept on the element                                                      | class="my-animation super"                  |
          * | 10. The doneCallback() callback is fired (if provided)                                         | class="my-animation super"                  |