Franz Hartl contributed to the yalesites-org/yalesites-project repository by delivering a documentation-focused feature aimed at improving long-term maintainability. He updated the project’s README to generalize the Pantheon upstream Drupal reference, removing the explicit mention of Drupal 9. This change ensures the documentation remains relevant as Pantheon evolves, reducing future maintenance overhead and simplifying onboarding for new developers. Working primarily with Markdown and Git, Franz demonstrated attention to sustainable documentation practices rather than codebase changes. While the scope was limited to a single feature and did not involve bug fixes, the update addressed a real need for future-proofing project documentation.