How to edit the PayPal integration?

I'm editing this form, and when I edit the Paypal field, there is a section with the text "Rental Application $42". I would like to change it to "Non-refundable Rental Application" though when I click on anywhere in that field, I can't seem to bring up anything that allows me to edit that text. "Payment Settings" and "Properties" dont seem to have an option to edit this text. Am I missing something somewhere? Thank you for any suggestions.

I figured it out. I was clicking on the actual text, which would not bring up the options I needed. Clicking on the text at the top of the field gave me the options.

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