During June 2025, Y.J. focused on enhancing documentation and error handling across Kubernetes-related projects. In the kubernetes/website repository, Y.J. corrected the advertiseAddress parameter in kubeadm documentation, ensuring users receive accurate configuration guidance. For codefresh-io/argo-cd, Y.J. refactored CI automation documentation, clarifying workflow descriptions and updating example commands to improve developer onboarding. In kubernetes/kubernetes, Y.J. addressed a misleading error message in documentMapToResetConfiguration, improving the accuracy of error reporting for configuration resets. Working primarily with Go and Markdown, Y.J. demonstrated attention to detail and a methodical approach, delivering targeted improvements that enhance user experience and reduce ambiguity in backend workflows.