Worked on a comprehensive documentation update for the AriaNotify explainer in the MicrosoftEdge/MSEdgeExplainers repository, focusing on clarifying iframe handling in light of the new Permissions-Policy for aria-notify. Used Markdown to revise technical guidance, replacing outdated sandbox attribute references and detailing how developers can opt in or out of iframe support for aria-notify. The documentation refresh aimed to improve accessibility compliance and reduce misconfiguration risks for embedding scenarios. By aligning the explainer with recent code changes and issue resolutions, the work enhanced onboarding for new contributors and ensured that policy-driven iframe behavior is clearly communicated to the developer community.