I haven't had any problems with the description not showing up, seems a bit odd.
Have you tried emailing Trading Post Customer Support?If you have a problem on the site, you should contact them and let them know.
Contact our Online Customer Support team for help with using our website.
Contacting us To help us find the solution to your query as quickly as possible contact us via our email support form.
I'm sure they will help you if you contact them, that's what they are there for.
CheersBruce