diff --git a/doc/admin-guide/source/index.rst b/doc/admin-guide/source/index.rst
index ea76047338..1908af906c 100644
--- a/doc/admin-guide/source/index.rst
+++ b/doc/admin-guide/source/index.rst
@@ -2,6 +2,25 @@
 OpenStack Administrator Guide
 =============================
 
+.. WARNING::
+
+   Major rework in progress!
+
+   Note that on July 3rd of 2017, all projects have been
+   moved to a new location on this server.
+   Keep in mind that bookmarks saved before
+   the changes may no longer function.
+
+   Project-specific content have been moved to the project
+   repos. For example, if you are looking for Identity service
+   administration information, please visit the
+   `keystone <https://docs.openstack.org/keystone/latest/>`_
+   page.
+
+   See `the specification <http://specs.openstack.org/openstack/docs-specs/specs/pike/os-manuals-migration.html>`_
+   for more information.
+
+
 Abstract
 ~~~~~~~~