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 database entry, click Forms/Entries in the main menu, then click the View Entries icon for the desired database, and then click the Switch to Edit Mode button for the desired entry.
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.