Manage token TTL for Nova VNC console service

Manage token TTL for noVNC console in Nova configuration file

Change-Id: I30c55c717d342976917783de90f2cafc38a6901c
Related-Prod: PROD-21128 (PROD:21128)
diff --git a/README.rst b/README.rst
index 4d698c4..f3c22f6 100644
--- a/README.rst
+++ b/README.rst
@@ -30,7 +30,8 @@
         workers: 8
         report_interval: 60
         dhcp_domain: novalocal
-        consoleauth_token_ttl: 600
+        consoleauth:
+          token_ttl: 600
         bind:
           public_address: 10.0.0.122
           public_name: openstack.domain.com