Are you trying to edit an account on your ledger? If so, I'm glad to provide the steps on how modify this:
SelectAccountingfrom the left menu.
Locate the account you'd like to edit.
Select the drop down arrow next toAccount historyorRun report(depending on the account).
SelectEdit.
Make all desired changes and clickSave and Close.
If you're referring to something else about what specific changes you want to make, please update this post. This will help me provide the correct information needed to correct your books.
For the meantime, I've got these articles below to help manage your ledger: