During March 2025, Nils contributed to the dotnet/yarp repository by enhancing the documentation for the RequestHeaderOriginalHostTransform class. Focusing on code clarity and maintainability, Nils corrected a documentation typo, ensuring that the intent and behavior of the transform logic were accurately described for future maintainers. This work, performed in C# and leveraging skills in code review and documentation, did not alter runtime behavior but improved onboarding efficiency and reduced the risk of misinterpretation. The update was carefully tracked with explicit commit references, reflecting a disciplined approach to change management. The contribution was targeted, with depth in documentation quality.