Editing a template
The option is available on the:
Kebab menu: Select the icon adjacent to the template.
Context menu: Right-click the template.
Template's details page: On the top right corner, select icon.
Use one of the preceding options and select Edit. The Edit <template> dialog box appears.
Update the template's properties and select Save.
See Creating a template and Creating a folder structure for more information about the properties you can modify.