Over a two-month period, contributed targeted documentation improvements to major open-source repositories including vuejs/core, expressjs/express, and mui/material-ui. Focused on enhancing clarity and reliability, the work involved correcting changelog typos for Vue.js core, fixing dead links and author references in Express.js documentation, and refining API documentation and comments for Material-UI. Leveraged TypeScript, Markdown, and version control tools to ensure documentation accuracy, reduce user confusion, and streamline developer onboarding. The approach emphasized non-code changes that improved project standards and API discoverability, ultimately supporting maintainability and reducing support queries for developers working with these widely used JavaScript frameworks.