Worked on enhancing the Spring AI repository by improving the accuracy of its API documentation, specifically focusing on the Filter.Expression constructor. The main contribution involved updating the documentation to reflect the actual semantics and usage of the constructor in Java, ensuring that developers referencing the docs would encounter fewer ambiguities and reduced risk of misusing the API. This effort prioritized documentation hygiene over functional bug fixes, aiming to streamline developer onboarding and clarify API behavior. The work leveraged Java and technical writing skills, resulting in clearer guidance for users and potentially lowering the volume of support inquiries related to documentation misunderstandings.