diff --git a/README.rst b/README.rst
index f8c75b5..cde94d3 100644
--- a/README.rst
+++ b/README.rst
@@ -306,6 +306,26 @@
               name: 127.0.0.1
               port: 8888
 
+Change nginx server ssl protocol options in openstack/proxy.yml
+
+.. code-block:: yaml
+    nginx:
+      server:
+        site:
+          site01:
+            enabled: true
+            name: site01
+            host:
+              name: site01.domain.com
+            ssl:
+              enabled: true
+              key_file:  /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}.key
+              cert_file: /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}.crt
+              chain_file: /srv/salt/pki/${_param:cluster_name}/${salt:minion:cert:proxy:common_name}-with-chain.crt
+              protocols: TLSv1 TLSv1.1 TLSv1.2
+              ciphers: "ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-GCM-SHA384:ECDHE-ECDSA-AES128-SHA256:ECDHE-RSA-AES128-SHA256:ECDHE-ECDSA-AES128-SHA:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA:ECDHE-ECDSA-AES256-SHA384:ECDHE-ECDSA-AES256-SHA:ECDHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA256:DHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA256:DHE-RSA-AES256-SHA:ECDHE-ECDSA-DES-CBC3-SHA:ECDHE-RSA-DES-CBC3-SHA:EDH-RSA-DES-CBC3-SHA:AES128-GCM-SHA256:AES256-GCM-SHA384:AES128-SHA256:AES256-SHA256:AES128-SHA:AES256-SHA:DES-CBC3-SHA:!DSS"
+              prefer_server_ciphers: true
+              ecdh_curve: secp521r1
 
 More Information
 ================