Worked on enhancing documentation for the bazelbuild/rules_rust repository, focusing on Rust tooling and rust-analyzer integration. The work clarified distinctions between bzlmod and WORKSPACE approaches, providing practical setup guidance and code snippets for module definitions and dependency loading. Updated toolchain registration instructions to feature rust.toolchain usage, ensuring examples reflected current best practices. Removed outdated references to non-existent documentation, improving clarity and maintainability for new users. Leveraged skills in Bazel, Rust, and Markdown to deliver comprehensive, actionable documentation that streamlines onboarding and supports consistent toolchain configuration across projects. The contribution addressed onboarding challenges and reduced support overhead for the community.