O.O. contributed to the AzureAD/microsoft-authentication-library-for-js repository by improving the accuracy of SNI documentation. They identified and corrected a typo in the sni.md file, specifically removing an unnecessary semicolon from a code example to enhance clarity and readability for developers referencing SNI usage. This work focused on Markdown documentation and required careful attention to detail, as well as collaboration with other contributors to ensure the documentation met project standards. While the scope of the contribution was limited to a single feature and did not involve bug fixes, it supported better onboarding and reduced confusion for developers integrating SNI.