Template files used by plugin can be configured by user to better suit their needs. To change templates first go to settings window (File -> Settings...). Then expand Editor and select File and Code Templates. In center of window select Other pane and on the list expand JLupin Next Server. There all template files used by plugin. You can change them as you want. Notice that there are groups of templates for each JLupin Next Server line.
Remeber to save your settings with OK button.