K Blanks enhanced the fastly/js-compute-runtime repository by updating its dynamic backends documentation, focusing on clarifying how services define backends and how fetch requests automatically create backends when the backend option is omitted. This work, delivered in Markdown, aimed to align documentation with actual runtime behavior, reducing potential misconfigurations and improving developer onboarding. By concentrating on documentation quality rather than bug fixes, K Blanks provided clear guidance for users configuring dynamic backends. The update demonstrated a strong understanding of developer experience and documentation best practices, laying groundwork for future improvements in dynamic backend coverage within the JavaScript-based runtime environment.