diff --git a/doc/install-guide/source/nova-controller-install.rst b/doc/install-guide/source/nova-controller-install.rst
index a09c2a9dbb..42c4907153 100644
--- a/doc/install-guide/source/nova-controller-install.rst
+++ b/doc/install-guide/source/nova-controller-install.rst
@@ -689,6 +689,13 @@ Finalize installation
 
 .. only:: obs
 
+   * Enable the placement API Apache vhost:
+
+     .. code-block:: console
+
+        # mv /etc/apache2/vhosts.d/nova-placement-api.conf.sample /etc/apache2/vhosts.d/nova-placement-api.conf
+        # systemctl reload apache2.service
+
    * Start the Compute services and configure them to start
      when the system boots: