diff --git a/README.rst b/README.rst
index eb2e119..75ce582 100644
--- a/README.rst
+++ b/README.rst
@@ -1967,3 +1967,18 @@
 
 You can read more about it here:
     https://docs.openstack.org/security-guide/databases/database-access-control.html
+
+
+Disable port security for network.
+----------------------------------
+
+.. code-block:: yaml
+
+    neutron:
+      client:
+        resources:
+          v2:
+            admin_identity:
+              network:
+                NETWORK_NAME:
+                  port_security_enabled: false