Rose McFarl updated the Java admission controller configuration guidance in the DataDog/documentation repository, focusing on improving clarity and reducing configuration errors. She revised the documentation using Markdown, detailing how to enable the Java admission controller and emphasizing explicit version pinning for the Java tracing library rather than relying on the 'latest' tag. Rose also included direct links to available versions, making it easier for users to select supported releases. Additionally, she refined the tutorial’s step numbering to streamline the onboarding process. Her work enhanced the maintainability and accuracy of the documentation, supporting both user experience and future updates.