Labels show up after updating inkblot

I updated inkblot today and now it shows labels like “Document Header” and “Footer Header.”
Here’s an image of what it looks like:
https://www.badmusiczombies.com/wp-content/uploads/2016/11/uh-oh.png

Or you can see it on the live site: https://www.badmusiczombies.com/

Sorry if it’s been asked and resolved before. I spent a while searching and couldn’t find the same issue. I may have been wording it wrong in my searches.