Mention fragment change in 16.0 post

content/blog/2017-09-26-react-v16.0.md

@@ -21,7 +21,7 @@ render() {
 }
 ```
 
-In the future, we'll likely add a special fragment syntax to JSX that doesn't require keys.
+[Starting with React 16.2.0](/blog/2017/11/28/react-v16.2.0-fragment-support.html), we are adding support for a special fragment syntax to JSX that doesn't require keys.
 
 We've added support for returning strings, too: