This feature is provided so you can correct small mistakes in an entry. No validation is performed, so use this at your own risk.
To edit the details for a particular list entry, click Lists/Entries in the main menu, then click the View Entries icon for the desired list. Once you're in the View Entries screen, click the Edit Entry icon to the right of the entry you're looking to edit.
The layout is similar to View Entry Details, but there are editable fields for most of the values. Change any values as desired, and then click Save.
If you select a new photo, it will replace the old photo.