This article discusses the importance of documentation in open source repositories, highlighting its role in facilitating contributions and growing a user base. To create welcoming spaces for developers and end users, it emphasizes incorporating documentation into the development cycle, including comments within code files and providing tutorials for users. The ideal setup includes key files such as README.md, CONTRIBUTING.md, CODE_STYLE.md, and CONTRIBUTORS.md to guide contributors and provide support for users. By making documentation inclusive and accessible, projects can reach a wider audience and foster engagement among diverse voices.