Update cheatsheet.md

- improve on [pr #26053](https://github.com/kubernetes/website/pull/26053)
- use idiomatic secret name in example

content/en/docs/reference/kubectl/cheatsheet.md

@@ -195,7 +195,7 @@ JSONPATH='{range .items[*]}{@.metadata.name}:{range @.status.conditions[*]}{@.ty
  && kubectl get nodes -o jsonpath="$JSONPATH" | grep "Ready=True"
 
 # Output decoded secrets without external tools
-kubectl get secret ${secret_name} -o go-template='{{range $k,$v := .data}}{{$k}}={{$v|base64decode}}{{"\n"}}{{end}}'
+kubectl get secret my-secret -o go-template='{{range $k,$v := .data}}{{"### "}}{{$k}}{{"\n"}}{{$v|base64decode}}{{"\n\n"}}{{end}}'
 
 # List all Secrets currently in use by a pod
 kubectl get pods -o json | jq '.items[].spec.containers[].env[]?.valueFrom.secretKeyRef.name' | grep -v null | sort | uniq