Developed centralized credential management documentation for the menloresearch/litellm repository, focusing on improving the LiteLLM proxy configuration process. The work detailed how to define credentials once and reuse them across multiple models, streamlining secret rotation and reducing configuration duplication. Using Markdown for clear technical communication, the documentation included practical examples of loading credentials from environment variables and explained key parameters such as credential_name and credential_values. This approach enhanced onboarding consistency and improved the security posture of deployments by standardizing credential handling. The contribution demonstrated strong documentation skills and a methodical approach to maintainability within the context of configuration management.