Worked on improving the reliability and developer experience of push notification setup in the expo/expo repository by updating documentation to clarify the asynchronous nature of channel creation. Addressed a bug where developers could encounter race conditions by ensuring the documentation explicitly stated that setNotificationChannelAsync must be awaited. Used Markdown to revise technical guides, aligning them with the actual JavaScript implementation and reducing potential runtime errors. Focused on documentation as a core skill, the work enhanced onboarding and consistency for developers integrating push notifications, ensuring that the written guidance accurately reflected the asynchronous behavior present in the codebase during July 2025.