Worked on the mdn/translated-content repository to enhance the accuracy of Japanese technical documentation for the FileSystemWritableFileStream interface. Focused on identifying and correcting a specific typo in the Markdown source, the work aimed to clarify API behavior and reduce the risk of misinterpretation for Japanese-speaking developers. Applied localization and documentation skills to ensure the translation aligned closely with the original English specification, performing quality assurance checks to maintain consistency. This targeted bug fix improved the onboarding experience and reduced potential support issues, demonstrating careful attention to detail in maintaining high-quality, accessible documentation for the developer community using Markdown.