diff --git a/README.rst b/README.rst
index 2a2693f..62b8986 100644
--- a/README.rst
+++ b/README.rst
@@ -160,6 +160,19 @@
               user: 2ec7966596504f59acc3a76b3b9d9291:glance-user
               key: someRandomPassword
 
+Enable CORS parameters
+
+.. code-block:: yaml
+
+    glance:
+      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
 
 Client role
 -----------