Contributed targeted documentation enhancements to ziglang/zig and matrix-org/matrix-rust-sdk, focusing on improving clarity and onboarding for developers. In ziglang/zig, clarified how normal comments interact with doc comments and provided a concrete custom error set example, using Zig to illustrate error handling best practices. For matrix-org/matrix-rust-sdk, updated documentation links and code references to align with the latest Matrix Client-Server and Ruma client API specifications, leveraging Rust and technical writing skills. The work emphasized accuracy and maintainability, reducing onboarding friction and support overhead. No bugs were addressed, with all contributions centered on documentation quality and alignment with evolving project standards.