diff --git a/README.rst b/README.rst
index f5dc16d..44e9150 100644
--- a/README.rst
+++ b/README.rst
@@ -43,6 +43,22 @@
           password: pwd
           virtual_host: '/openstack'
 
+Enable CORS parameters
+------------------------------
+
+.. code-block:: yaml
+
+    ceilometer:
+      server:
+        cors:
+          allowed_origin: https:localhost.local,http:localhost.local
+          expose_headers: X-Auth-Token,X-Openstack-Request-Id,X-Subject-Token
+          allow_methods: GET,PUT,POST,DELETE,PATCH
+          allow_headers: X-Auth-Token,X-Openstack-Request-Id,X-Subject-Token
+          allow_credentials: True
+          max_age: 86400
+
+
 Configuration of policy.json file
 ---------------------------------