diff --git a/docs/addons-animation.md b/docs/addons-animation.md
index 2dd2884c..557897de 100644
--- a/docs/addons-animation.md
+++ b/docs/addons-animation.md
@@ -17,7 +17,7 @@ The [`ReactTransitionGroup`](#low-level-api-reacttransitiongroup) add-on compone
 
 ## High-level API: ReactCSSTransitionGroup
 
-`ReactCSSTransitionGroup` is a high-level API based on [`ReactTransitionGroup`](#low-level-api-reacttransitiongroup) and is an easy way to perform CSS transitions and animations when a React component enters or leaves the DOM. It's inspired by the excellent [ng-animate](http://www.nganimate.org/) library.
+`ReactCSSTransitionGroup` is a high-level API based on [`ReactTransitionGroup`](#low-level-api-reacttransitiongroup) and is an easy way to perform CSS transitions and animations when a React component enters or leaves the DOM. It's inspired by the excellent [ng-animate](https://docs.angularjs.org/api/ngAnimate) library.
 
 **Importing**