You can edit the information for certain contacts! Note: "synced" contacts, and contacts provided through a Master Distribution List can't be edited directly in rezora.
To edit a contact, you can click on it:
Or you can click on the context menu to the right of the contact,and select "View Details":
On the next page, you'll see all the contact information in a panel on the left:
Edit any desired fields, and your changes will be saved automatically as you go!