diff --git a/doc/ref_arch/openstack/README.rst b/doc/ref_arch/openstack/README.rst
index 43de744..785e436 100644
--- a/doc/ref_arch/openstack/README.rst
+++ b/doc/ref_arch/openstack/README.rst
@@ -2,6 +2,8 @@
 Reference Architecture for OpenStack based Cloud Infrastructure (RA1)
 =====================================================================
 
+test5
+
 .. toctree::
    :glob:
    :maxdepth: 3