Text changes for recommendations opt-out (bug 1072637)

![](https://www.dropbox.com/s/i000xvw1r6ojmcv/Screenshot%202014-11-17%2011.42.06.png?dl=1)
I'm actually going to pull this out b/c we don't want to ship this w/o the "Learn more" link, which isn't ready yet. So I could fix that when I add it back.