[Plugin: Jigoshop – WordPress eCommerce] Custom category base

im trying to set up a little store with this plugin. and i just realice that when i creaty a product category, all these ones are created under a url like:

“category-products/category/”

is there anyway to remove the “category-products” from url?
thanks a lot

http://ww.wp.xz.cn/extend/plugins/jigoshop/