During July 2025, Tommy An focused on improving documentation quality in the nodejs/node repository by addressing a specific issue in the writing-tests guide. He identified and corrected a misspelling, changing "optimial" to "optimal," which enhanced clarity and reduced the risk of misinterpretation for contributors referencing the guide. His work was limited to documentation updates, with no changes to code functionality, demonstrating attention to detail in technical writing and Markdown formatting. The targeted bug fix, tracked by a clear commit reference, contributed to the repository’s professionalism and maintainability. Tommy’s efforts supported onboarding and ongoing maintenance for the nodejs/node project.