fixup! feat(router): new output that would notify when link is activated

packages/router/src/directives/router_link_active.ts

@@ -72,16 +72,6 @@ import {RouterLink, RouterLinkWithHref} from './router_link';
  * </div>
  * ```
  *
- * You can use the output `isActiveChange` to get notified each time the link becomes
- * active or inactive.
- *
- * ```
- * <a
- *  routerLink="/user/bob"
- *  routerLinkActive="active-link"
- *  (isActiveChange)="this.onRouterLinkActive($event)">Bob</a>
- * ```
- *
  * @ngModule RouterModule
  *
  * @publicApi
@@ -109,6 +99,22 @@ export class RouterLinkActive implements OnChanges, OnDestroy, AfterContentInit
    */
   @Input() routerLinkActiveOptions: {exact: boolean}|IsActiveMatchOptions = {exact: false};
 
+  /**
+   *
+   * You can use the output `isActiveChange` to get notified each time the link becomes
+   * active or inactive.
+   *
+   * Emits:
+   * true  -> Route is active
+   * false -> Route is inactive
+   *
+   * ```
+   * <a
+   *  routerLink="/user/bob"
+   *  routerLinkActive="active-link"
+   *  (isActiveChange)="this.onRouterLinkActive($event)">Bob</a>
+   * ```
+   */
   @Output() readonly isActiveChange: EventEmitter<boolean> = new EventEmitter();
 
   constructor(