Helen Zhu updated the PCI Compliance Status documentation for the DataDog/documentation repository, focusing on improving customer onboarding visibility and reducing support overhead. She introduced a new section that visually distinguishes between fully onboarded and onboarding customer states, using Markdown to structure content and embed illustrative screenshots. Helen refreshed internal links and image paths to ensure clarity and accuracy, aligning the documentation with current compliance requirements. Her work centered on documentation skills and effective use of Markdown, resulting in a single, well-scoped feature addition. The update addressed a specific need for clearer compliance status communication without involving bug fixes or code changes.