Worked on improving the rust-lang/rustc-dev-guide repository by enhancing documentation accuracy and clarity, particularly around the representation of Python code within the Rust project. Focused on refining Markdown documentation, addressing a typographical error in conventions.md, and clarifying the presence of Python scripts to reduce confusion for new contributors. Emphasized precise, low-risk edits that maintain code quality standards and support smoother onboarding. Utilized skills in documentation and Markdown to ensure technical information is both correct and accessible. The work contributed to a more consistent and reliable guide for contributors, with attention to detail and a focus on clear communication of technical concepts.