Update blueprints/02-at-scale/README.md

Co-authored-by: Kellie Freeman <[email protected]>

blueprints/02-at-scale/README.md

@@ -95,7 +95,7 @@ In addition to the minimum required settings explained in [Get started - Deploy]
 > [!TIP]
 > The `deploy` phase can be orchestrated via the companion [Makefile](../../Makefile).
 
-### Secrets file
+### Create the secrets file
 
 You must create your secrets file by copying the contents of [secrets-values.yml.example](k8s/secrets-values.yml.example) to `secrets-values.yml`. This provides [Kubernetes secrets](https://github.com/jenkinsci/configuration-as-code-plugin/blob/master/docs/features/secrets.adoc#kubernetes-secrets) that can be consumed by CasC.