diff --git a/README.md b/README.md
index 13af257..28be7f5 100644
--- a/README.md
+++ b/README.md
@@ -12,23 +12,28 @@ None.
 
 Available variables are listed below, along with default values (see `defaults/main.yml`):
 
-    docker_package: "docker-engine"
+    # Edition can be one of: 'ce' (Community Edition) or 'ee' (Enterprise Edition).
+    docker_edition: 'ce'
+    docker_package: "docker-{{ docker_edition }}"
 
-The Docker package to install.
+The `docker_edition` should be either `ce` (Community Edition) or `ee` (Enterprise Edition). You can also specify a specific version of Docker to install using a format like `docker-{{ docker_edition }}-<VERSION>`.
 
     docker_install_compose: true
-    docker_compose_version: "1.11.2"
+    docker_compose_version: "1.13.0"
     docker_compose_path: /usr/local/bin/docker-compose
 
 Docker Compose installation options.
 
-    docker_apt_repository: "deb https://apt.dockerproject.org/repo {{ ansible_distribution|lower }}-{{ ansible_distribution_release }} main"
+    docker_apt_release_channel: stable
+    docker_apt_repository: "deb [arch=amd64] https://download.docker.com/linux/{{ ansible_distribution|lower }} {{ ansible_distribution_release }} {{ docker_apt_release_channel }}"
 
-(Used only for Debian/Ubuntu.) Add 'testing' if you don't want stable.
+(Used only for Debian/Ubuntu.) You can switch the channel to `edge` if you want to use the Edge release.
 
-    docker_yum_repo_version: 'main' # 'testing', 'beta', 'nightly'
+    docker_yum_repo_url: https://download.docker.com/linux/centos/docker-{{ docker_edition }}.repo
+    docker_yum_repo_enable_edge: 0
+    docker_yum_repo_enable_test: 0
 
-(Used only for RedHat/CentOS.)
+(Used only for RedHat/CentOS.) You can enable the Edge or Test repo by setting the respective vars to `1`.
 
 ## Dependencies