Worked on the Fastify repository to address a documentation-driven bug, focusing on improving the accuracy of the preParsing hook documentation. The contribution involved updating Markdown files to include the payload parameter in the hook’s signature, ensuring the documentation accurately reflected the actual API surface. This change aimed to reduce developer confusion and streamline onboarding by aligning the docs with the codebase. The work demonstrated strong documentation skills and attention to detail, emphasizing the importance of clear technical communication. By maintaining consistency between documentation and implementation, the update helped minimize support queries and improved the overall developer experience for Fastify users.