As the contents are the same as invoice number at xxx previously , I think I paid extra for the item at xxxx.
Please make an adjustment for referring the total amount for the credit card.
If any of problem, please let me know.
Thank you for your support as always.
The content is same as previous invoice number ｘｘｘ.
However, I guess you overpaid for item number ｘｘｘ.
Please compare with each and arrange the total amount of credit invoice.
If you have any problems, please contact me.
I appreciate to your kind response.
Although the content is the same as the former bill number xxx, the payment was more for the product number xxxx.
Please adjust each ones by the credit estimate total amount.
Please contact me if you have any problem.
I appreciate your kindness.