Alt Text On New Drag/drop Product Images

How is the "Alt" value set for images that are either uploaded or drag/dropped in the new image method in admin for product details?

Can't see where it can be set or edited.

Hover over the image Tony, and it will appear

alt text.JPG

Thanks John. Didn't realize the grayed out area was editable. Horrible UX.

Aha, new secrets revealed. :-)

BTW, I use SEO templates for generating all the image alt txt