diff --git a/README b/README
index 68178043bf..2bc3c3037b 100644
--- a/README
+++ b/README
@@ -27,12 +27,15 @@ to startup a new cloud instance and configure for basic server use run (as
 root):
 
 el6:
-ansible-playbook /srv/web/infra/ansible/playbooks/el6-temp-instance.yml
+sudo -i ansible-playbook /srv/web/infra/ansible/playbooks/el6-temp-instance.yml
 
 f17: 
-ansible-playbook /srv/web/infra/ansible/playbooks/f17-temp-instance.yml
+sudo -i ansible-playbook /srv/web/infra/ansible/playbooks/f17-temp-instance.yml
 
 
+The -i is important - ansible's tools need access to root's sshagent as well
+as the cloud credentials to run the above playbooks successfully.
+
 This will setup a new instance, provision it and email sysadmin-main that
 the instance was created, it's instance id (for terminating it, attaching
 volumes, etc) and it's ip address.