tldr/pages/common/git-coauthor.md

git coauthor

Add another author to the latest commit. Since this command rewrites the Git history, --force will be needed when pushing next time. Part of git-extras. More information: https://github.com/tj/git-extras/blob/master/Commands.md#git-coauthor.

• Insert an additional author to the last Git commit:

git coauthor {{name}} {{name@example.com}}