This is how to change and make an update to your saved template.
On the main sidebar, click “Saved Templates”. You will see your saved templates.
Click on a template you wish to make an update. You will see the template editor comes from the right.
You can now make an update and change your saved template here. For instance, if you wish to change the voice, click on the voice image icon. You will see the voice editor that allows you to select the new primary and secondary voice. You can simply update any other information and set up here.