diff --git a/install-guide/source/install-obs.rst b/install-guide/source/install-obs.rst
index 89457f1b61..6f49984b1b 100644
--- a/install-guide/source/install-obs.rst
+++ b/install-guide/source/install-obs.rst
@@ -336,20 +336,14 @@ Install and configure components
      Replace ``HEAT_DBPASS`` with the password you chose for the
      Orchestration database.
 
-   * In the ``[DEFAULT]`` and ``[oslo_messaging_rabbit]`` sections,
+   * In the ``[DEFAULT]`` section,
      configure ``RabbitMQ`` message queue access:
 
      .. code-block:: none
 
         [DEFAULT]
         ...
-        rpc_backend = rabbit
-
-        [oslo_messaging_rabbit]
-        ...
-        rabbit_host = controller
-        rabbit_userid = openstack
-        rabbit_password = RABBIT_PASS
+        transport_url = rabbit://openstack:RABBIT_PASS@controller
 
      Replace ``RABBIT_PASS`` with the password you chose for the
      ``openstack`` account in ``RabbitMQ``.
diff --git a/install-guide/source/install-rdo.rst b/install-guide/source/install-rdo.rst
index 3a6c05972f..a315f2e848 100644
--- a/install-guide/source/install-rdo.rst
+++ b/install-guide/source/install-rdo.rst
@@ -336,20 +336,14 @@ Install and configure components
      Replace ``HEAT_DBPASS`` with the password you chose for the
      Orchestration database.
 
-   * In the ``[DEFAULT]`` and ``[oslo_messaging_rabbit]`` sections,
+   * In the ``[DEFAULT]`` section,
      configure ``RabbitMQ`` message queue access:
 
      .. code-block:: none
 
         [DEFAULT]
         ...
-        rpc_backend = rabbit
-
-        [oslo_messaging_rabbit]
-        ...
-        rabbit_host = controller
-        rabbit_userid = openstack
-        rabbit_password = RABBIT_PASS
+        transport_url = rabbit://openstack:RABBIT_PASS@controller
 
      Replace ``RABBIT_PASS`` with the password you chose for the
      ``openstack`` account in ``RabbitMQ``.
diff --git a/install-guide/source/install-ubuntu.rst b/install-guide/source/install-ubuntu.rst
index 940a3fa24c..1debfdcaeb 100644
--- a/install-guide/source/install-ubuntu.rst
+++ b/install-guide/source/install-ubuntu.rst
@@ -335,20 +335,14 @@ Install and configure components
      Replace ``HEAT_DBPASS`` with the password you chose for the
      Orchestration database.
 
-   * In the ``[DEFAULT]`` and ``[oslo_messaging_rabbit]`` sections,
+   * In the ``[DEFAULT]`` section,
      configure ``RabbitMQ`` message queue access:
 
      .. code-block:: none
 
         [DEFAULT]
         ...
-        rpc_backend = rabbit
-
-        [oslo_messaging_rabbit]
-        ...
-        rabbit_host = controller
-        rabbit_userid = openstack
-        rabbit_password = RABBIT_PASS
+        transport_url = rabbit://openstack:RABBIT_PASS@controller
 
      Replace ``RABBIT_PASS`` with the password you chose for the
      ``openstack`` account in ``RabbitMQ``.