diff --git a/README.rst b/README.rst
index 977dcc2..2db01f1 100644
--- a/README.rst
+++ b/README.rst
@@ -1624,3 +1624,13 @@
       controller:
         filter_scheduler:
           max_instances_per_host: 50
+
+Enable Nova nova-serialproxy service:
+
+.. code-block:: yaml
+
+    nova:
+      controller:
+        ....
+        serial_proxy:
+          enabled: True