http://people.mozilla.com/~chowse/drop/amo/devtools/v3/manage_addon/08_payments.png From bug 595320 comment 2: It looks like the Thank You Note field was left out of this mock, but we should still have it at the bottom under "Where". Send a thank-you note? We'll automatically email users who contribute to your add-on with this message. [Suggested content] clicking Suggested Content link will expand to show: We recommend thanking the user and telling them how much you appreciate their support. You might also want to tell them about what's next for your add-on and about any other add-ons you've made for them to try.