diff --git a/etc/quantum.conf b/etc/quantum.conf
index a94ba6ba90..455d41e1d5 100644
--- a/etc/quantum.conf
+++ b/etc/quantum.conf
@@ -124,6 +124,9 @@ control_exchange = quantum
 # rabbit_password = guest
 # Port where RabbitMQ server is running/listening
 # rabbit_port = 5672
+# RabbitMQ single or HA cluster (host:port pairs i.e: host1:5672, host2:5672)
+# rabbit_hosts is defaulted to '$rabbit_host:$rabbit_port'
+# rabbit_hosts = localhost:5672
 # User ID used for RabbitMQ connections
 # rabbit_userid = guest
 # Location of a virtual RabbitMQ installation.
@@ -133,6 +136,9 @@ control_exchange = quantum
 # rabbit_max_retries = 0
 # RabbitMQ connection retry interval
 # rabbit_retry_interval = 1
+# Use HA queues in RabbitMQ (x-ha-policy: all).You need to
+# wipe RabbitMQ database when changing this option. (boolean value)
+# rabbit_ha_queues = false
 
 # QPID
 # rpc_backend=quantum.openstack.common.rpc.impl_qpid
@@ -140,6 +146,9 @@ control_exchange = quantum
 # qpid_hostname = localhost
 # Qpid broker port
 # qpid_port = 5672
+# Qpid single or HA cluster (host:port pairs i.e: host1:5672, host2:5672)
+# qpid_hosts is defaulted to '$qpid_hostname:$qpid_port'
+# qpid_hosts = localhost:5672
 # Username for qpid connection
 # qpid_username = ''
 # Password for qpid connection