In this case, if the payment was correct, and the customer overpaid, you can either leave this to be deducted from the next invoice, or you can record this as a tip/over payment (to see how to do this please take a look at this tutorial: <https://scribehow.com/viewer/Recording_Credit_Notes_Write_Offs_Tips_and_Refunds__gs7M2lX4SHejaePmOo6ywA>)