ref: ecf392a155c33963aeb743d68bcb61e86bac4dc8
parent: 323a7120b9e92cd9e59ab7e72097a461d1324fd8
parent: 549c31f8aee8a986a7da8e5fc9d7c4c53a842152
author: Yaowu Xu <yaowu@google.com>
date: Fri Feb 14 09:29:35 EST 2014
Merge "minor spelling cleanup in comments"