Merge pull request #6912 from cranzy/fixing_broken_link

Fixing features broken link

README.md

@@ -6,7 +6,7 @@ Compose is a tool for defining and running multi-container Docker applications.
 With Compose, you use a Compose file to configure your application's services.
 Then, using a single command, you create and start all the services
 from your configuration. To learn more about all the features of Compose
-see [the list of features](https://github.com/docker/docker.github.io/blob/master/compose/overview.md#features).
+see [the list of features](https://github.com/docker/docker.github.io/blob/master/compose/index.md#features).
 
 Compose is great for development, testing, and staging environments, as well as
 CI workflows. You can learn more about each case in