Sir/Madam,
This email is in reference to the order made on date __/__/_____ (date) having order ID _________ (mention ID). I would like to bring to your notice that while reviewing the invoice it has been found that there is an issue in the _________ (mention correction in invoice – amount/address/quantity/product name/other) as compared to the order status. I am enclosing the order status and invoice for your reference.
Kindly, look into this matter and I request you to provide me with a new invoice with the updated information. If you have any questions regarding this, please feel free to contact me at any time.
Regards,
___________ (Name)
___________ (Contact details)