proofreading

content/posts/04-build-your-own-docker-swarm-cluster-part-3/index.md

@@ -398,6 +398,8 @@ It's finally time to test our new cluster environment by testing some stacks thr
 
 Create a new `diun` stack through Portainer and set following content :
 
+{{< highlight host="stack" file="diun">}}
+
 ```yml
 version: "3.2"
 
@@ -425,6 +427,8 @@ services:
           - node.role == manager
 ```
 
+{{< /highlight >}}
+
 {{< tabs >}}
 {{< tab tabName="volumes" >}}