Fix typo

docker/README.md

 # GitLab Docker images
 
 * The official GitLab Community Edition Docker image is [available on Docker Hub](https://registry.hub.docker.com/u/gitlab/gitlab-ce/).
-* The official GitLab Enterprise Edition Docker image is [available on Docker Hub](https://registry.hub.docker.com/u/gitlab/gitlab-ce/).
+* The official GitLab Enterprise Edition Docker image is [available on Docker Hub](https://registry.hub.docker.com/u/gitlab/gitlab-ee/).
 * The complete usage guide can be found in [Using GitLab Docker images](http://doc.gitlab.com/omnibus/docker/)
 * The Dockerfile used for building public images is in [Omnibus Repository](https://gitlab.com/gitlab-org/omnibus-gitlab/tree/master/docker)
 * Check the guide for [creating Omnibus-based Docker Image](http://doc.gitlab.com/omnibus/build/README.html#Build-Docker-image)