Update documentation

README.md

@@ -36,11 +36,11 @@ Docker Compose installation options.
 
 (Used only for RedHat/CentOS.) You can enable the Edge or Test repo by setting the respective vars to `1`.
 
-Set the docker_users variable to allow those users to run docker (these users are added to the docker group)
-
     docker_users:
-      - Guy
-      - James
+      - user1
+      - user2
+
+Set the docker_users variable to allow those users to run docker (these users are added to the docker group)
 
 ## Use with Ansible (and `docker` Python library)
 

defaults/main.yml

@@ -18,5 +18,5 @@ docker_yum_repo_url: https://download.docker.com/linux/centos/docker-{{ docker_e
 docker_yum_repo_enable_edge: 0
 docker_yum_repo_enable_test: 0
 
-# Docker users
+# A list of users who will be added to the docker group.
 docker_users: []

tasks/docker-users.yml

@@ -1,5 +1,5 @@
 ---
-- name: Add users to docker group
+- name: Ensure docker users are added to the docker group.
   user:
     name: "{{ item }}"
     group: docker