You can edit attributes of your Team like name, payment method etc by going to the Billing and invoices in settings. You can go to the Settings view by clicking on the top right User icon and navigating to the Setting option as shown below:
Once you reach the Settings view, you can select the Billing and invoices tab
As you can see in the image, you can now go ahead and change the Payment method etc in this view.
In order to change the team name you need to select the Info and Members tab under Team settings. Click on the Name content to change the name of the team to a new one. Once done, click on the “Update” button to change.