If you need to change the HostX template name to your custom name. You can easily do it.
Step 1: Login your FTP or Cpanel
Step 2: Go to WHMCS Root > Templates
Step 3: Rename the HostX template to your desired name.
Step 4: Go to WHMCS admin > Addons > WGS HostX > Settings > General Settings
You need to select the Renamed file in the "Template Name" drop down and click on the save. Template name will be renamed.