5.1 Branding
How to brand StreamlineCloud

Go to your root StreamlineCloud directory and open data/lang. Now open the language file you have selected at the setup. The default file is en.json!
..
"sc.mc.prefix": "§8» §c§lYourserver.net",
"sc.mc.motd": "Welcome to yourserver.net",
...
Here you can customize your prefix & motd.