Problem with my podcast feeds

[Trophy Whores]

Im getting this error on all my feeds. Please explain to me like im a 2 year old how to fix this

The URL you entered does not appear to be a valid feed. We encountered the following problem: Error on line 1: Attribute name "async" associated with an element type "script" must be followed by the ' = ' character.

here is the rss feed:

http://provengamer.com/category/podcasts/pgspoilers/feed/