Contributed to the googleapis/google-cloud-go repository by enhancing user-facing documentation for Pub/Sub configuration, specifically clarifying the behavior of the MinExtensionPeriod setting. Focused on reducing onboarding friction and misconfiguration risks, the update explained that MinExtensionPeriod is disabled by default and set to 60 seconds when exactly-once delivery is enabled. This work required a strong understanding of Go, documentation best practices, and Pub/Sub exactly-once delivery semantics. The contribution emphasized documentation craftsmanship and version-control discipline, aiming to improve developer experience and reduce support queries. No code changes were made, with all efforts directed toward improving clarity and maintainability of technical documentation.