Onitsuka contributed to the justjavac/dify-docs repository by focusing on improving the accuracy and consistency of multilingual documentation. During the month, they identified and corrected a typographical error in the spelling of "PostgreSQL" across English, Japanese, and Chinese installation guides, ensuring that deployment instructions for self-hosted environments were clear and aligned with standard database terminology. Using Markdown and leveraging their documentation skills, Onitsuka addressed issue #355 by updating the relevant guides, which reduced the risk of deployment errors for users. The work demonstrated attention to detail in technical writing and a commitment to maintaining high-quality, localized documentation standards.