...
The header gives you a few details about the loan so that you can get all of the basics about the status of your loan at a glance.
The title of the loan is in the top left. You can change it from the sidebar by right-clicking on the title there and selecting the Rename menu item.
On the right side of the header is information about your monthly payment, interest rate, and remaining balance.
You can update your loan details by clicking on the pencil icon under the title. A sheet appears which contains two tabs where you can view details about your loan. The two tabs match the screens that you saw when you set up your loan.
...