Explicitly configure the insecure_port for apiserver

Change-Id: I5f1aa6e382e99c7c719e9e596f1d0ad2f0d79157
diff --git a/README.rst b/README.rst
index be3af09..7f38048 100644
--- a/README.rst
+++ b/README.rst
@@ -97,7 +97,9 @@
             username: admin
           apiserver:
             address: 10.0.175.100
-            port: 8080
+            secure_port: 443
+            insecure_address: 127.0.0.1
+            insecure_port: 8080
           ca: kubernetes
           enabled: true
           etcd: