Fixes spelling error writeable to writable, improves warning, and documentation (#67664)
Summary:
Fixes https://github.com/pytorch/pytorch/issues/46741
pytorchbot
contributors: nickleus27, yanivsagy, and khanhthien123
SmrutiSikha this is mostly your work. We just did very minor clean up.
cc mruberry
Pull Request resolved: https://github.com/pytorch/pytorch/pull/67664
Reviewed By: gchanan
Differential Revision: D32311838
Pulled By: mruberry
fbshipit-source-id: 0e5d4d888caeccb0fd7c80e6ff11b1b1fa8e00d6
