During June 2025, Mingxun Liu enhanced the ktorio/ktor-documentation repository by improving API documentation to clarify the use of optional path parameters in server requests. Focusing on API design and documentation, Mingxun updated HTML and Kotlin-based examples to accurately reflect scenarios where parameters like 'priority' are not required, aligning the documentation with REST API best practices. These changes addressed developer confusion around route behavior, making onboarding smoother and reducing potential errors. By linking updates to issue tracking for traceability, Mingxun ensured future maintainability. The work demonstrated attention to detail and contributed to higher documentation quality and consistency across the project.