How To Modify Addon Domain
To modify the document root for an addon domain, perform the following steps:
1 – Open cPanel (yourdomain/cpanel).
2 – Click on (Addon Domains) from Domains section.
3 – Click the edit icon for the addon domain that you wish to manage under the Document Root column.
4 – Enter the new file path to the addon domain’s document root in the available text box.
5 – Click Change.