Worked on the rescript-lang/rescript repository to enhance the accuracy of API documentation, focusing on aligning the Math.sign function’s documentation with its actual behavior in Rescript. Addressed a documentation bug by updating Math.resi to correctly state that Math.sign(-3) returns -1.0, reducing potential confusion for developers and improving the clarity of the standard library’s API. Employed strong documentation skills and collaborated with reviewers to ensure consistency between code and documentation. The work emphasized attention to detail and a methodical approach, leveraging Rescript and documentation best practices to lower support inquiries and improve the overall developer experience for the project.