Guanyu Wang contributed targeted documentation improvements to the virattt/ai-hedge-fund repository, focusing on clarifying the usage of the GOOGLE_API_KEY for Gemini-hosted large language models. By updating the .env.example file and correcting an inaccurate line in the documentation, Guanyu aligned onboarding instructions with actual runtime behavior, reducing the risk of misconfiguration for new developers. The work centered on plaintext documentation, emphasizing clear communication of environment variable requirements. Although the contribution was limited to a single feature over one month and did not involve code changes or bug fixes, it improved repository clarity and supported more reliable local development and deployment.