The purpose of the 15 word description is to help give JOLAF visitors a sense of what you do. If the description you submit is well written, it will entice them to click your name to see your website.
Because your listing already has your name visible for everyone to see, you do not need to repeat it in the description - that would actually be a wasted opportunity to use other pertinent words. People are more interested in knowing what you do and what you have to offer on your site.
Here is an example of a well written description that does not exceed the requested 15 word maximum:
"Classic / whimsical porcelain & earthenware teapots, cups & vases adorned with floral motiffs, imaginary creatures & animal life."
This concisely indicates the...
...And is therefore a very effective description.