Juseong Kim enhanced documentation across the ktorio/ktor-plugin-registry and ktorio/ktor-documentation repositories, focusing on aligning WebSocket duration examples with Kotlin’s time DSL. By replacing Java’s Duration.ofSeconds() with Kotlin’s 15.seconds extension, Juseong improved consistency and readability for Kotlin-first developers. This work involved careful updates to API integration and backend documentation, ensuring that examples reflected modern Kotlin idioms and type-safe duration handling. The changes addressed potential confusion between Java and Kotlin time APIs, streamlining onboarding and reducing maintenance overhead. Juseong’s contributions demonstrated a thoughtful approach to developer experience, emphasizing clarity and best practices in Kotlin-based backend development and documentation.