Worked on enhancing documentation for the pantheon-systems/documentation repository, focusing on clarifying the process for adding upstream dependencies. The update provided explicit instructions for changing directories and directly editing the composer.json file, addressing previous ambiguities around the 'config version' based on internal feedback. This documentation improvement aimed to streamline the onboarding process for contributors and reduce the risk of misconfiguration. The work was tracked under a specific commit and aligned with stakeholder requirements. Markdown was used to structure the documentation, leveraging skills in technical writing and process clarification to deliver actionable, precise guidance for developers working with upstream dependencies.