Please follow the below steps to update an adjustment:

  1. Navigate to Accounting > Register Page 
  2. Select the bank account
  3. Click Reconcile
  4. Select Accounting period that the entry was made in
  5. Click on the section where the adjustment was made (Visa, Cash, Checks, etc.)
  6. Unselect the checkbox appearing for the adjustment entry and click Save
  7. Then, click on the Adj button to open the entry
  8. Update the COA, the amount or even delete the entry
  9. Select Save & Close