### Author comment for 2014ApJ...790..142P

There is an error in the journal version of equation 6, but the arxiv version is correct. The second argument of the min function should be 160 s^{-2}. Thanks to Radek Poleski for pointing this out.

Author comment submitted on 27 July, 2015 by **Matthew Penny** ( penny@astronomy.ohio-state.edu )