diff --git a/docs/user-guide/walkthrough/k8s201.md b/docs/user-guide/walkthrough/k8s201.md
index b9d659c05f..2be84046ff 100644
--- a/docs/user-guide/walkthrough/k8s201.md
+++ b/docs/user-guide/walkthrough/k8s201.md
@@ -143,7 +143,7 @@ Provided the service IP is accessible, you should be able to access its http end
 $ export SERVICE_IP=$(kubectl get service nginx-service -o go-template='{{.spec.clusterIP}}')
 $ export SERVICE_PORT=$(kubectl get service nginx-service -o go-template='{{(index .spec.ports 0).port}}')
 $ echo "$SERVICE_IP:$SERVICE_PORT"
-$ kubectl run busybox  --generator=run-pod/v1 --image=busybox --restart=Never --tty -i --env "SERVICE_IP=$SERVICE_IP,SERVICE_PORT=$SERVICE_PORT"
+$ kubectl run busybox  --generator=run-pod/v1 --image=busybox --restart=Never --tty -i --env "SERVICE_IP=$SERVICE_IP" --env "SERVICE_PORT=$SERVICE_PORT"
 u@busybox$ wget -qO- http://$SERVICE_IP:$SERVICE_PORT # Run in the busybox container
 u@busybox$ exit # Exit the busybox container
 $ kubectl delete pod busybox # Clean up the pod we created with "kubectl run"