diff --git a/doc/service_design/kubernetes/helm/HELM_Installation_aaS_Jenkins_Example.md b/doc/service_design/kubernetes/helm/HELM_Installation_aaS_Jenkins_Example.md
index 41d4c431eb5f77341c844993f1278243c15480b7..18df2d60d7afea8052e6522f7505b5622f551eea 100644
--- a/doc/service_design/kubernetes/helm/HELM_Installation_aaS_Jenkins_Example.md
+++ b/doc/service_design/kubernetes/helm/HELM_Installation_aaS_Jenkins_Example.md
@@ -27,7 +27,7 @@ In ArgoCD the field **health.status** has the value that we need to check (Healt
 The _CR_SPEC can be designed first in a YAML or json editor. Let's see a YAML definition:
 
  
- ```
+```yaml
 apiVersion: argoproj.io/v1alpha1
 kind: Application
 metadata: