facebook user name doesn't have enough room


I've installed the Comments+ plugin on my site and notice the facebook user name gets covered by other text. (I include my middle name to differentiate from my father, giving a long name). Is there any way to fix this?

There's a test of the site here: http://test.theaviary.net/2015/04/at-last-we-meet/

The comments are in the "Chitter Chatter" tab near the bottom.