Fix column alignment in debug-service.md

Previously, the columns showing one of kubectl's output were misaligned and thereby confusing.

content/en/docs/tasks/debug-application-cluster/debug-service.md

@@ -421,7 +421,7 @@ Earlier you saw that the Pods were running.  You can re-check that:
 kubectl get pods -l app=hostnames
 ```
 ```none
-NAME              READY     STATUS    RESTARTS   AGE
+NAME                        READY     STATUS    RESTARTS   AGE
 hostnames-632524106-bbpiw   1/1       Running   0          1h
 hostnames-632524106-ly40y   1/1       Running   0          1h
 hostnames-632524106-tlaok   1/1       Running   0          1h