diff --git a/README.rst b/README.rst
index 8783516..7fa9cd9 100644
--- a/README.rst
+++ b/README.rst
@@ -70,6 +70,8 @@
           file: cirros-0.3.1-x86_64-disk.img
           source: http://cdn.download.cirros-cloud.net/0.3.1/cirros-0.3.1-x86_64-disk.img
           public: true
+        audit:
+          enabled: false
 
 
 Client-side RabbitMQ HA setup
@@ -91,6 +93,20 @@
         ....
 
 
+Enable auditing filter, ie: CADF
+
+.. code-block:: yaml
+
+    glance:
+      server:
+        audit:
+          enabled: true
+      ....
+          filter_factory: 'keystonemiddleware.audit:filter_factory'
+          map_file: '/etc/pycadf/glance_api_audit_map.conf'
+      ....
+
+
 Keystone and cinder region
 ============================