1. Log into your cPanel account.
2. In the "Files" section, click on "File Manger" Icon.
3. Navigate to the directory where your file is located and right click on the file and then on click in "Edit"" in the Context Menu.
4. If the small "Code Editor" window is open, click on the "Edit" button, which will open a new window with options you can edit.
5. Make changes to your file and then click on the "Save" button.