iOS

To edit a tag, go to the tags view and then press and hold on a tag. The table cell will become editable and you can rename the tag. After you have finished renaming the tag, press Done.

To delete a tag, just swipe left on the tag and the delete button will appear.

Mac

Go to Tags section, click on a tag to view all journal entries relating to the tag. Click on the Edit button at the top (next to the trash). After you have edited your tag, press on the Edit button again to save.