I appreciate you bringing this to my attention, Becky. Let's troubleshoot this together to identify the cause of this missing amount reflected on the deposit slip.
We can go to the bank deposit window and individually review the selected transactions to trace the source of this amount, as all amounts reflected in the deposit summary are sourced from there. We would also appreciate it if you provide us with a screenshot so that we can help you further review this.
I'm adding these articles you can use in the future:
You can always comment below for further concerns about your deposit slips and summary in QuickBooks Online. I'll just be around to help you at any available time. Have a great day!
