diff --git a/src/components/nav/nav-controller.ts b/src/components/nav/nav-controller.ts
index c5173b43d1..c32fccc2a9 100644
--- a/src/components/nav/nav-controller.ts
+++ b/src/components/nav/nav-controller.ts
@@ -152,6 +152,7 @@ import {ViewController} from './view-controller';
  * | duration  | `number`  | The length in milliseconds the animation should take.                                                      |
  * | easing    | `string`  | The easing for the animation.                                                                              |
  *
+ * The property 'animation' understands the following values: `md-transition`, `ios-transition` and `wp-transition`.
  *
  * @see {@link /docs/v2/components#navigation Navigation Component Docs}
  */