Edit it with eclipse! Make sure to save it! Once edited export it as a jar file find the jar file and copy it to your minecraft server! have fun!
Editing the website Address: go to WebsitePlugin\src\me\rhys19\websiteplugin and open the .java file in eclipse neon then edit the line: sender.sendMessage("Exoticcraft.sytes.net/xenforo/"); edit the quotes where it says exoticcraft.sytes.net/xenforo/ to your website!