Sorry, I’m not real tech-savy. How do I do that?

www.2beat.com/podcasts/1/Podcast.xml>{gzip}

Between xml and > there’s some long vertical key, but I’m unsure as to what that key is exactly. It looks like a longer, non-capitalized L.

p.s. By the way, this all started happening after I downloaded Itunes and after I downloaded a few podcasts from there.