Khiem Nguyen enhanced the etcd-io/website documentation by introducing alert boxes in place of blockquotes for important callouts, aiming to improve the visibility and clarity of critical information. Using Markdown and leveraging skills in content management and technical writing, Khiem updated the documentation’s user experience to provide clearer guidance and reduce confusion. The work included refining external link handling to ensure reliable navigation and aligning alert levels with the actual content for greater accuracy and accessibility. Throughout the process, Khiem maintained build stability and adhered to contribution standards, delivering a focused documentation upgrade that addressed both usability and content quality.