I'll share some information about how banking works in QuickBooks Online, adangorbookkeepe.
If you're trying to correct your bank transactions to QuickBooks manually, you can open your bank register.
Let me guide you through how to accomplish this:
Select the transaction you want to edit manually.
That should do it. For future use, I'll share with you some other helpful articles about configuring the Register:
Please let me know how it goes by clicking the Reply button below. I'll be around to help if you have any other questions about uploading bank transactions. Have a good one.