Numan Air worked on the Stirling-Tools/Stirling-PDF repository, focusing on improving documentation to enhance user onboarding and configuration discoverability. He updated configuration links throughout the documentation, replacing references to 'Advanced Configuration' with 'Configuration' to align with current terminology and reduce support friction. This work required careful attention to documentation engineering practices, adherence to contribution guidelines, and collaboration with cross-functional teams responsible for developer guides. Using React and TypeScript, Numan ensured the documentation changes were consistent and accessible, laying the foundation for broader modernization efforts. The scope was targeted, with depth in process quality and alignment with project standards.