diff --git a/doc/arch-design-draft/source/index.rst b/doc/arch-design-draft/source/index.rst
index c00a4c41f9..c4701aa6b0 100644
--- a/doc/arch-design-draft/source/index.rst
+++ b/doc/arch-design-draft/source/index.rst
@@ -3,9 +3,14 @@
                  for architectural design
    :keywords: Architecture, OpenStack
 
-===================================
-OpenStack Architecture Design Guide
-===================================
+===========================================
+OpenStack Architecture Design Guide - Draft
+===========================================
+
+.. note::
+
+   Architecture Design Guide is under development at the moment.
+   Contributions are welcome.
 
 Abstract
 ~~~~~~~~