You'll need to open the invoice and click View Payment in the left corner to edit a payment linked to an invoice. I'll guide you through the process, Deltaprodetailing.
Here's how:
- Go to the Sales tab and click Invoices.
- Locate the invoices associated with the payment.
- Click View/Edit.

- On the invoice screen, click the Status dropdown and select View Payment in the Paid section.

- Once done editing, click Save.

Please note that if the payment has already been deposited, you'll need to delete the existing bank deposit transaction in QuickBooks. Then, update the payment amount and create a new deposit with the corrected amount. This ensures your accounts remain accurate and prevents any discrepancies.
I've added this article on how to reconcile your accounts so they always match your bank and credit card statements: Reconcile an account in QuickBooks Online.
Please don't hesitate to reply below if you have any additional questions.