Update README.md

Practice-6/Dinh-Thi-Huong/README.md

@@ -314,14 +314,20 @@ kubectl -n hpa-test get hpa php-apache -o yaml
 
 <img src="img/get-hpa.png">
 - Now run the load test and see the HPA status again
+
+
 ```
 kubectl -n hpa-test run -i --tty load-generator --rm --image=busybox --restart=Never -- /bin/sh -c "while sleep 0.01; do wget -q -O- http://php-apache; done"
 ```
+
+
 <img src="img/load-generator.png">
 <img src="img/get-hpa-2.png">
 - Stop the load by pressing CTRL-C and then get the hpa status again , this will show things get back to normal and one replica running
 <img src="img/get-hpa-3.png">
 - Clean up the resources
+
+
 ```
 kubectl delete ns hpa-test --cascade
 ```