Add a few clarifications
Add a few clarifications

Add a few clarifications that caused mistakes (and subsequent upgrade failure) for a large customer in EMEA

Signed-off-by: Richard Nixon <6439e9bde45413aa438dbf18e389827834069fbf@btinternet>
chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server,chef/chef-server