You can change the details of timer entry if you need to. For example, if you signed out and forgot to stop the timer. You cannot edit a timer entry once it has been invoiced.
To edit a timer entry:
Click the Items tab to open the Items List.
Click the Time Tracking tab.
Click View in the Action column for the item you want to edit.
Find the timer entry in the list and click the Edit link in the Action column.
Make your changes.
Click Save.