Rune Kock enhanced the MicrosoftDocs/sql-docs repository by updating the documentation for the CEILING function in T-SQL version 15.0.2140. Focusing on documentation accuracy, Rune clarified the function’s return type for decimal inputs, ensuring the documentation aligns with actual runtime behavior and reducing potential confusion for developers. The work involved careful analysis of SQL semantics and precise editing using Markdown, resulting in documentation that better supports users working with T-SQL. While the contribution was limited to a single feature over one month, the update addressed a nuanced aspect of SQL documentation, demonstrating attention to detail and a methodical technical approach.