pytorch

162ad945 - Fixed typo in batchnorm docstrings

Fixed typo in batchnorm docstrings Summary: Pull Request resolved: https://github.com/pytorch/pytorch/pull/15975 Differential Revision: D13642271 Pulled By: soumith fbshipit-source-id: 60ffa392bf1f916f2b93c943bb44a642a9815c42