Automatic Notes Reminders when visiting a certain webpage

Brave Feature Requests
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1

It would be great if there were a feature that allowed you to attach a note that would pop up when you visit a certain page. For example, you have a coupon code for your next order from that site. By the time I return to the site a week or month from now, I forget about the coupon. But if you could create a note that would pop up a reminder the next time you visit a site, that would be pretty cool!