How to Edit Files Using cPanel File Manager
Perform the following steps to edit files using File Manager in cPanel:
Log in to your cPanel: www.YOURDOMAIN.com/cpanel
Click on "File Manager".
Choose "Web Root".
Find the file you want to edit.
Click on it and click on "Edit" at the top.
Press ctrl + f to search for a value you want to change.
Change the value to what you would like.
Click on "Save Changes" at the very top right.
Click "Close" at the top right.