diff --git a/README.md b/README.md
index 6f39a10..b426d6f 100644
--- a/README.md
+++ b/README.md
@@ -96,6 +96,9 @@ spec:
 Note that the above configuration is compatible with Flux
 [multi-tenancy lockdown mode](https://fluxcd.io/docs/installation/#multi-tenancy-lockdown).
 
+To spin up multiple stacks, make a copy the above file, replace `msdemo` with `msdemo1` in
+the multi-doc YAML and add it to your repository.
+
 ## Update microservices
 
 To trigger a rolling deployment of all microservices, add the following patch to your `msdemo` Kustomization,