Modify the order of arguments position of torch.std and torch.std_mean in doc (#31677)
Summary:
Change log:
- [x] Change the order of arguments position of torch.std and torch.std_mean in doc.
- [x] Correct a spelling mistake of torch.std_mean in doc.
Pull Request resolved: https://github.com/pytorch/pytorch/pull/31677
Differential Revision: D19247372
Pulled By: ngimel
fbshipit-source-id: 8685f5207c39be524cdc81250430beac9d75f330