diff --git a/README.rst b/README.rst
index 7bb9581..4a3b7ac 100644
--- a/README.rst
+++ b/README.rst
@@ -1231,6 +1231,18 @@
 You can read more about it here:
     https://docs.openstack.org/security-guide/databases/database-access-control.html
 
+Define config option which allows to use nova-api service behind proxy.(Only Mitaka)
+---------------------
+The HTTP Header that will be used to determine what the original request protocol
+scheme was, even if it was hidden by a SSL termination proxy.
+
+  nova:
+    controller:
+      secure_proxy_ssl_header: HTTP_X_FORWARDED_PROTO
+
+You can read more about it here:
+    https://docs.openstack.org/mitaka/config-reference/compute/config-options.html
+
 Nova database connection setup:
 ========
 
@@ -1278,8 +1290,6 @@
          username: nova
          password: pswd
 
-
-
 Upgrades
 ========