Category Header

Hi,

I was wondering if there is a easy way to have a header for each category, not i dont mean the header at the top of the page, but a header/text just above where the post starts in each category.

A good example can be found here,

http://www.apostaganha.pt/cat/de-futebol/portugal-liga-sagres/
http://www.apostaganha.pt/cat/de-futebol/brasil-brasileirao-serie-a/

Thanks