Guillermo Sanz Lopez enhanced the 6G-SANDBOX/6G-Library repository by delivering comprehensive documentation and configuration updates for the satellite emulation components opensand_gw, opensand_sat, and opensand_st. He focused on improving onboarding and maintainability by clarifying component descriptions, dependencies, and installation steps, ensuring that new developers could integrate and deploy the stack more efficiently. Using Markdown and YAML, Guillermo updated public.yaml and README files to reflect recent changes, emphasizing clear integration guidance within the satellite emulation environment. His work demonstrated depth in configuration management and documentation, addressing developer experience and accelerating adoption without introducing or resolving major defects.