Update readme

Author: canihavethisone

README.md

@@ -85,9 +85,9 @@ To install Docker EE on RHEL/CentOS:
 
 ```puppet
 class { 'docker':
-  docker_ee => true,
+  docker_ee                 => true,
   docker_ee_source_location => 'https://<docker_ee_repo_url>',
-  docker_ee_key_source => 'https://<docker_ee_key_source_url>',
+  docker_ee_key_source      => 'https://<docker_ee_key_source_url>',
 }
 ```