Fix typo and place comment close to its target

Patch by Wei-Ren Chen.

Differential Revision: https://reviews.llvm.org/D32594


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@301546 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed