Contributed to the facebook/docusaurus repository by enhancing documentation for the useIsBrowser React hook, focusing on clarifying its role in distinguishing hydration state from DOM availability. The work involved updating Markdown-based documentation and website content to provide practical examples and clearer guidance for developers integrating the hook into React rendering logic. Collaboration with another contributor ensured accuracy and alignment with project standards. These improvements addressed common onboarding challenges and reduced the risk of misusing hydration checks. The updates were directly linked to relevant issues, demonstrating traceability and responsiveness to community feedback, and showcased skills in React, documentation, and technical writing using Markdown.