Improve the docs on the attribute overriding
Improve the docs on the attribute overriding

Based on this feedback: https://github.com/dev-sec/chef-ssh-hardening/issues/140#issuecomment-270469026

hardening-io/chef-ssh-hardening,dev-sec/chef-ssh-hardening,hardening-io/chef-ssh-hardening,dev-sec/chef-ssh-hardening