Worked on the Altinity/ClickHouse repository to enhance documentation accuracy for the VersionedCollapsingMergeTree engine. Addressed a critical issue by updating the Markdown-based documentation to clarify that all Int* types are supported for the version column, ensuring users have precise guidance when configuring version tracking. This targeted fix reduced the risk of misconfiguration and helped align user expectations with actual engine capabilities. The work focused on documentation skills and careful attention to technical detail, ultimately improving the onboarding experience and reducing support overhead for developers. The contribution was delivered as a single, well-scoped bug fix during the month of January 2025.