add link to Kubernetes docs on replication controllers

Author: kelseyhightower

README.md

@@ -4,7 +4,7 @@ Convert docker-compose service files to Kubernetes objects.
 
 ## Status
 
-compose2kube is in the prototype stage and only supports mapping container images, ports, and restart policies to Kubernetes replication controllers. Thanks to the [docker/libcompose](https://github.com/docker/libcompose) library, compose2kube will support the complete docker-compose specification in the near future.
+compose2kube is in the prototype stage and only supports mapping container images, ports, and restart policies to Kubernetes [replication controllers](https://github.com/kubernetes/kubernetes/blob/release-1.0/docs/user-guide/replication-controller.md). Thanks to the [docker/libcompose](https://github.com/docker/libcompose) library, compose2kube will support the complete docker-compose specification in the near future.
 
 ## Usage