diff --git a/doc/install-guide/section_nova-compute.xml b/doc/install-guide/section_nova-compute.xml
index a4d98567c1..e745c09f8d 100644
--- a/doc/install-guide/section_nova-compute.xml
+++ b/doc/install-guide/section_nova-compute.xml
@@ -150,8 +150,10 @@ rabbit_password = RABBIT_PASS
[DEFAULT]
...
my_ip=192.168.0.11
+vnc_enabled=True
vncserver_listen=0.0.0.0
-vncserver_proxyclient_address=192.168.0.11
+vncserver_proxyclient_address=192.168.0.11
+novncproxy_base_url=http://controller:6080/vnc_auto.html
Specify the host that runs the Image Service.