Top menu >> Setup >> Select process >> Email notification

You can select which users receive notification as well as fields you would like to show in the body of the email notification that is send when you are watching a form. 

Notifications include actions, approvals, reminders, and manual notifications. Users watching a form are notified when the status changes or the form is trashed.

Click Email notification in the Settings section.

First section you can select which user type gets email notification and also if this involves the owner of the form or all participants. 

The Form Information section allows you to select fields from the Info or template to be added to the body of the email notification.

By clicking on your select it will be added to the email. After adding the field you can drag an drop the position of the fields. 

Example email notification.