Hi Jason. You have selected product LWP0013 in the screenshot example you've sent.
In the description field for that product the text is flat with no HTML, for example...
"This is the description for LWP0013..."
Try the first product, LWP0001. In its description field, there is HTML formatting, as follows...
"<p>This is the description for LWP0001...
So, in conclusion, if a field has HTML code in it, such as the <p> tags in product LWP0001's description then it doesn't display in HTML Editor.
Why is that, and how do we resolve it?