HTML code appearing in Product description

What is wrong here

http://www.rmstitanic100.co.uk/index...products_id=10

Are you by any chance using ZC version 1.3.9 F, or 1.3.9 G ?

version 1.3.9h

Go look at this product in your admin, and be sure the editor is set to plain text. Do you still see HTML? If so, "cut" this block out, switch the editor to HTML and paste the block in. (You should put it in a temporary file for safekeeping so you don't lose it.)