[rhos-list] Control Access to instance termination

[Eoghan Glynn]

> or using the older syntax:
> 
>   [["role:admin"], ["role:project_admin",
>   "project_id:%(project_id)s"]], ["user_id:%(user_id)s"]]

Typo:

    [["role:admin"], ["role:project_admin", "project_id:%(project_id)s"], ["user_id:%(user_id)s"]]