Worked on enhancing the Node.js nodejs/node repository by improving the documentation for filesystem APIs, with a focus on the File modes section. Delivered cross-referenced documentation for fsPromises.open(), fsPromises.mkdir(), and fs.mkdir(), using Markdown and technical writing skills to increase the discoverability of file permission guidance. The approach centered on integrating cross-references to streamline onboarding and reduce the time developers spend searching for permission details. No bug fixes were addressed during this period, as the primary goal was to improve documentation quality, consistency, and maintainability, ultimately supporting a smoother developer experience for those working with Node.js filesystem APIs.