Fix syntax error removing namespaces

ewilde · alexellis · commit 1edae61abbec · 2018-12-18T15:08:07.000Z
Signed-off-by: Edward Wilde &lt;ewilde@gmail.com&gt;
diff --git a/docs/deployment/troubleshooting.md b/docs/deployment/troubleshooting.md
@@ -259,7 +259,7 @@ helm delete --purge openfaas
 If installed via YAML files:
 
 ```
-kubectl delete namespace openfaas,openfaas-fn
+kubectl delete namespace openfaas openfaas-fn
 ```
 
 ## Troubleshooting Swarm or Kubernetes
