Murilo Cunha focused on improving documentation quality and onboarding efficiency across the huggingface/trl and zed-industries/zed repositories. He addressed a broken Markdown link in the contributing documentation for huggingface/trl, ensuring new contributors could access guidelines without confusion. In zed-industries/zed, he enhanced the dev-container documentation by clarifying feature preview status and specifying the required Zed version, reducing the risk of misconfiguration. His work relied on technical writing and documentation skills, with careful attention to Markdown syntax and contributor experience. These targeted improvements reduced support inquiries and onboarding friction, demonstrating a thoughtful approach to cross-repository documentation maintenance and user guidance.