Fix docstring typo (#47545)
Summary:
It's its.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/47545
Reviewed By: ezyang
Differential Revision: D24921308
Pulled By: heitorschueroff
fbshipit-source-id: 3bd53b0303afa3b75cce23d0804096f3d7f67c7e
