During September 2025, Daniel Gao enhanced the MicrosoftDocs/azure-databases-docs repository by clarifying Cosmos DB documentation related to Network Security Perimeter (NSP) deployments. He focused on improving guidance for the x-ms-date header requirement in the Cosmos DB REST API, addressing common onboarding issues and reducing misconfigurations. Using Markdown and leveraging his documentation skills, Daniel provided detailed instructions on the correct date format and updated configuration notes, including a corrected URL in the NSP setup guide. The work demonstrated a targeted approach to aligning documentation with current security practices, though the scope was limited to a single feature without bug fixes.