The Wayback Machine - https://web.archive.org/web/20210724195058/https://docs.github.com/en/github/collaborating-with-pull-requests/proposing-changes-to-your-work-with-pull-requests

Proposing changes to your work with pull requests

After you add changes to a topic branch or fork, you can open a pull request to ask your collaborators or the repository administrator to review your changes before merging them into the project.

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