How do I change my funding source through PayPal?

Apparently there is a simple way for our students to change their funding source for subscriptions via their PayPal accounts.

• Log in to your PayPal account.
• Click the Settings icon next to "Log out."
• Click Payments.
• Click Manage pre-approved payments.
• Click the merchant whose agreement you want to change under "Merchant."
• Click Change next to "Backup Funding Source."
• Choose the payment method(s) for your pre-approved payment.
• Click Save at the bottom of the page.