diff --git a/README.md b/README.md
index 6c5b120..13732dd 100644
--- a/README.md
+++ b/README.md
@@ -207,9 +207,11 @@ kubectl attach -it ${POD_NAME} -n appNamespace
 ### Run command on pod
 
 ``` bash
-# sh 
-POD_NAME=$(kubectl get pod -l app=myAppName -n appNamespace -o jsonpath='{.items[0].metadata.name}')
-kubectl exec -it ${POD_NAME} -- sh
+# sh
+MY_APP_NAME=???
+NAMESPACE=???
+POD_NAME=$(kubectl get pod -l app=$MY_APP_NAME -n $NAMESPACE -o jsonpath='{.items[0].metadata.name}')
+kubectl exec -n $NAMESPACE -it ${POD_NAME} -- sh
 ```
 
 ``` bash