Version specified on pillar

Change-Id: Ib5db9f151baaf3fa0bca97a5457cf836bc57b88c
diff --git a/README.rst b/README.rst
index 05ea8da..4873cfa 100644
--- a/README.rst
+++ b/README.rst
@@ -13,6 +13,9 @@
 .. code-block:: yaml
 
     galera:
+      version:
+        mysql: 5.6
+        galera: 3
       master:
         enabled: true
         name: openstack