Image tagging

Tags are shown in the red oval.  To add or change tags, click on Edit All.

After that you should see the pop up below:

To delete a tag, click on the X next to it.  To add a tag, click where it say "Add Tag" and type in your new tag:

Make sure you hit enter after you type your new tag and see the tag show up in the grey box with the X like so:

Then click on the the Save button:

And then you should see your new tag listed in the properties: