Unwanted text and image below my shop's product listing

Suddenly every product listing I create has strange default text and image when you scroll down past the product.

I can't see where to change or delete it. It's on every new product I try to add.

You can see on the image - the add to cart button is the end of my actual listing. After that is 'Make it stand out' blah blah and the pottery pic.

What to do? Thanks in advance.