fix link

Author: lucasvaltl

README.md

@@ -3,7 +3,7 @@
 
 **What?** 
 
-We are deprecating this guide in favor of our [reference architectures](https://www.gitpod.io/docs/self-hosted/latest/reference-architecture/single-cluster-ref-arch) (specifically the [single cluster variant](https://www.gitpod.io/docs/self-hosted/latest/reference-architecture/single-cluster-ref-arch)) that include both a guided walk-through and a `Terraform` configuration.
+We are deprecating this guide in favor of our [reference architectures](https://www.gitpod.io/docs/self-hosted/latest/reference-architecture) (specifically the [single cluster variant](https://www.gitpod.io/docs/self-hosted/latest/reference-architecture/single-cluster-ref-arch)) that include both a guided walk-through and a `Terraform` configuration.
 
 **Why?**