Summary: ## What does the PR do? - Fix grammatical errors on the PyTorch Contribution Guide page. ## Changes [Screenshots] > Note: > 1. The changes are highlighted in each screenshot. > 2. Could not load CSS while testing locally, hope that is not an issue as all the changes are made on the content. 1.  2.  3.  4.  5.  6.  7.  8.  Pull Request resolved: https://github.com/pytorch/pytorch/pull/61818 Reviewed By: dzhulgakov Differential Revision: D29775606 Pulled By: mrshenli fbshipit-source-id: 3f3bfdeede341f784b72dfe55da9ba8bdce1192a