diff --git a/doc/source/install-guide/configure-horizon.rst b/doc/source/install-guide/configure-horizon.rst
index 407c943a63..26190c024a 100644
--- a/doc/source/install-guide/configure-horizon.rst
+++ b/doc/source/install-guide/configure-horizon.rst
@@ -17,6 +17,19 @@ options.
 
 .. _Securing services with SSL certificates: configure-sslcertificates.html
 
+Configuring a Horizon Customization Module
+^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
+
+Openstack-Ansible supports deployment of a Horizon `customization module`_.
+After building your customization module, configure the ``horizon_customization_module`` variable
+with a path to your module.
+
+.. code-block:: yaml
+
+   horizon_customization_module: /path/to/customization_module.py
+
+.. _customization module: http://docs.openstack.org/developer/horizon/topics/customizing.html#horizon-customization-module-overrides
+
 --------------
 
 .. include:: navigation.txt
diff --git a/releasenotes/notes/horizon-customization-be7282fad552983b.yaml b/releasenotes/notes/horizon-customization-be7282fad552983b.yaml
new file mode 100644
index 0000000000..0f94c1a5bc
--- /dev/null
+++ b/releasenotes/notes/horizon-customization-be7282fad552983b.yaml
@@ -0,0 +1,6 @@
+---
+features:
+  - Horizon deployment now supports an operator provided customization module
+    which can be configured using the ``horizon_customization_module`` variable.
+    Please see `the Horizon documentation <http://docs.openstack.org/developer/openstack-ansible/install-guide/configure-horizon.html>`_
+    for more information.