During April 2025, this developer focused on maintaining and improving documentation quality for the TianxingChen/Embodied-AI-Guide repository. Their primary contribution involved identifying and fixing a broken RT-1 arXiv link in the README, ensuring that users could reliably access the referenced paper. The work required careful link validation and precise git changes, demonstrating attention to documentation hygiene and repository health. Using Markdown for documentation and leveraging git for version control, the developer addressed a user-facing issue that could have led to confusion or support requests. No new features were introduced, reflecting a targeted approach to stability and user experience.