docs: update storybook url

README.md

@@ -29,7 +29,7 @@ For more information go to [backstage.io](https://backstage.io) or join our [Dis
 
 We created Backstage about 4 years ago. While our internal version of Backstage has had the benefit of time to mature and evolve, the first iteration of our open source version is still nascent. We are envisioning three phases of the project and we have already begun work on various aspects of these phases:
 
-- 🐣 **Phase 1:** Extensible frontend platform (Done ✅) - You will be able to easily create a single consistent UI layer for your internal infrastructure and tools. A set of reusable [UX patterns and components](http://storybook.backstage.io) help ensure a consistent experience between tools.
+- 🐣 **Phase 1:** Extensible frontend platform (Done ✅) - You will be able to easily create a single consistent UI layer for your internal infrastructure and tools. A set of reusable [UX patterns and components](http://backstage.io/storybook) help ensure a consistent experience between tools.
 
 - 🐢 **Phase 2:** Service Catalog ([alpha released](https://backstage.io/blog/2020/06/22/backstage-service-catalog-alpha)) - With a single catalog, Backstage makes it easy for a team to manage ten services — and makes it possible for your company to manage thousands of them. Developers can get a uniform overview of all their software and related resources, regardless of how and where they are running, as well as an easy way to onboard and manage those resources.
 
@@ -85,7 +85,7 @@ Take a look at the [Getting Started](docs/getting-started/index.md) guide to lea
 - [Service Catalog](docs/features/software-catalog/index.md)
 - [Architecture](docs/overview/architecture-terminology.md) ([Decisions](docs/architecture-decisions/index.md))
 - [Designing for Backstage](docs/dls/design.md)
-- [Storybook - UI components](http://storybook.backstage.io)
+- [Storybook - UI components](http://backstage.io/storybook)
 
 ## Community