Worked on the better-auth/better-auth repository, focusing on improving documentation accuracy for the Username Validator component. Addressed a documentation bug by updating the described return type to boolean, ensuring the docs matched the actual implementation and example usage. This Markdown-based documentation change required careful attention to detail and a clear understanding of the API’s behavior, with no modifications to runtime code. By aligning the documentation with the codebase, the update reduced potential confusion for developers integrating the API and helped streamline onboarding. The work demonstrated proficiency in technical writing and documentation practices, emphasizing clarity and usability for future contributors.