Contributed to the rust-lang/rust repository by enhancing the safety documentation for the BorrowedSocket API, focusing on clarifying usage requirements to prevent resource mismanagement. Addressed a documentation bug by specifying that the socket resource must remain open while borrowed, thereby reducing the risk of misuse and improving cross-platform safety, particularly for Windows IO APIs. The work involved careful analysis of system programming patterns and API documentation practices in Rust, ensuring that the update preserved API stability by introducing no code changes. This targeted documentation improvement supports better developer understanding and confidence when working with low-level socket resources in Rust projects.