Merv leave the current text in there because LAN covers for your local connections. I do not know how to setup that to accept external IPs. Unless you had a VPN setup then you wouldn't have to worry since it will be inside and on your local network.
thanks Powell
but what about the 5 to 7 words part? or do they mean 5 to 7 letters?
and will this change the 'root' user login name when SSHing into miner?