Fix 404 relay modern link (#474)

content/community/tools-data-fetching.md

@@ -7,6 +7,6 @@ permalink: community/data-fetching.html
 
 * **[Apollo](http://dev.apollodata.com/react/):** Easy to set up and use GraphQL client.
 * **[Axios](https://github.com/mzabriskie/axios):** Promise based HTTP client for the browser and node.js.
-* **[Relay Modern](https://facebook.github.io/relay/docs/relay-modern.html)** - A JavaScript framework for building data-driven React applications.
+* **[Relay Modern](https://facebook.github.io/relay/docs/en/new-in-relay-modern.html)** - A JavaScript framework for building data-driven React applications.
 * **[Request](https://github.com/request/request):** Simplified HTTP request client.
 * **[Superagent](https://visionmedia.github.io/superagent/):** A lightweight "isomorphic" library for AJAX requests.