Worked on improving documentation quality for the mui/toolpad repository, focusing on enhancing clarity and reducing ambiguity for developers. Addressed a specific issue in the use-local-storage-state-api documentation by correcting a grammatical error in the Returns section, replacing 'tupple' with 'tuple' to ensure technical accuracy and professionalism. The update was implemented exclusively in Markdown, leveraging documentation skills to align the API reference with the current implementation. No runtime code changes were introduced, maintaining system stability while improving onboarding and support experiences. The work demonstrated attention to detail and a commitment to maintaining high standards in technical documentation for the project.