keystone rabbitmq hosts

Change-Id: I1828ed3c90b9f7040c87125131304e75d145175d
diff --git a/README.rst b/README.rst
index ff64b7b..a8bfb88 100644
--- a/README.rst
+++ b/README.rst
@@ -261,6 +261,24 @@
           virtual_host: '/openstack'
           ha_queues: true
 
+Client-side RabbitMQ HA setup
+
+.. code-block:: yaml
+
+    keystone:
+      server:
+        ....
+        message_queue:
+          engine: rabbitmq
+          members:
+            - host: 10.0.16.1
+            - host: 10.0.16.2
+            - host: 10.0.16.3
+          user: openstack
+          password: pwd
+          virtual_host: '/openstack'
+        ....
+
 Enable CADF audit notification
 
 .. code-block:: yaml