Contributed to the nodejs/node repository by enhancing the accuracy of API documentation, specifically clarifying the dns.lookup() callback behavior when the options.all parameter is true. Focused on improving developer experience, the work addressed confusion around the callback’s signature by documenting that the addresses argument is provided while address and family are omitted in this mode. The update was implemented using Markdown and reflected strong API design and documentation skills. Collaboration was maintained through co-authored pull requests and thorough peer review, ensuring traceability to the related issue. The contribution delivered a user-facing benefit without introducing any runtime changes to the codebase.