Fix arch link in readme (#933)

Fixes: #932

README.md

@@ -167,7 +167,7 @@ We welcome contributions of different kinds:
 For a detailed view on the roadmap and day to day development, you can check our [github project
 board](https://github.com/orgs/ml6team/projects/1).
 
-You can also check out our [architecture](docs/architecture.md) page to familiarize yourself with the Fondant architecture and repository structure.
+You can also check out our [architecture](https://fondant.ai/en/latest/architecture/) page to familiarize yourself with the Fondant architecture and repository structure.
 
 ### Environment setup