Stable 2.21.0 & Development 2.22.0:
Put messages_en.properties into the .../plugins/Essentials/messages/ folder
Restart your server (or reload with /ess reload)
If you're unsure what EssentialsX version you have, run /ess version
If the new messages don't show:
Set locale: en in Essentials/config.yml
Last updated 3 months ago