It's showing up in your feed. Here is the line: <description>Get Over Divorce. Reinvent Yourself. We'll Help.</description>
It's also in the <itunes:summary> tag.
It could be the word "We'll" it comes up as "We'll" which could be messing up iTunes. How about trying to change it to We Will and see if iTunes picks it up. Give them at least 3 days to pick up the change.
-Mike