Worked on the Altinity/ClickHouse repository to enhance the developer onboarding experience by addressing a critical issue in the setup documentation. Focused on improving the accuracy and usability of SQL code examples, the developer identified and fixed a missing semicolon terminator in the CREATE DATABASE IF NOT EXISTS statement within the setup instructions. This change ensured that the SQL snippets were valid and executable across multiple languages, reducing setup errors for new contributors. Leveraging skills in SQL and Markdown, the developer contributed to documentation quality and consistency, ultimately lowering potential support overhead and streamlining the onboarding process for ClickHouse developers.