Chetan Sharma enhanced the documentation for the Custom Token Exchange (CTE) feature in the auth0/auth0-spa-js repository, focusing on improving discoverability and practical usage guidance for developers. By leveraging Markdown and applying technical writing best practices, Chetan updated the table of contents and aligned documentation with actual feature usage, reducing onboarding friction for new users. The work emphasized clarity and commit-level traceability, ensuring that integration steps for CTE within single-page application flows were easy to follow. Although no bugs were fixed during this period, the documentation improvements contributed to faster integration and fewer support requests, demonstrating depth in documentation skills.