diff --git a/doc/source/configuration.rst b/doc/source/configuration.rst
index 6c29bae0..35e5d99a 100644
--- a/doc/source/configuration.rst
+++ b/doc/source/configuration.rst
@@ -31,6 +31,7 @@ If you use sql alchemy, its specific parameters will need to be set.
 ===============================  ====================================  ==============================================================
 Parameter                        Default                               Note
 ===============================  ====================================  ==============================================================
+api_paste_config                 api_paste.ini                         Configuration file for WSGI definition of the API
 nova_control_exchange            nova                                  Exchange name for Nova notifications
 glance_control_exchange          glance                                Exchange name for Glance notifications
 cinder_control_exchange          cinder                                Exchange name for Cinder notifications
diff --git a/doc/source/install/manual.rst b/doc/source/install/manual.rst
index 0a8c8ce9..114603cf 100644
--- a/doc/source/install/manual.rst
+++ b/doc/source/install/manual.rst
@@ -485,6 +485,7 @@ Installing the API Server
    ::
 
       $ mkdir -p /etc/ceilometer
+      $ cp etc/ceilometer/api_paste.ini /etc/ceilometer
       $ cp etc/ceilometer/*.json /etc/ceilometer
       $ cp etc/ceilometer/*.yaml /etc/ceilometer
       $ cp etc/ceilometer/ceilometer.conf.sample /etc/ceilometer/ceilometer.conf
@@ -511,7 +512,14 @@ Installing the API Server
    Refer to :doc:`/configuration` for details about any other options
    you might want to modify before starting the service.
 
-5. Start the API server.
+5. (Optional) As of the Juno release, Ceilometer utilises Paste Deploy to
+   manage WSGI applications. Ceilometer uses keystonemiddleware by default but
+   additional middleware and applications can be configured in api_paste.ini.
+   For examples on how to use Paste Deploy, refer to this documentation_.
+
+.. _documentation: http://pythonpaste.org/deploy/
+
+6. Start the API server.
 
    ::