diff --git a/core-concepts.md b/core-concepts.md
index 50b95b9..395ba43 100644
--- a/core-concepts.md
+++ b/core-concepts.md
@@ -23,6 +23,8 @@ kubectl get ns
 
 ```
 kubectl get po --all-namespaces
+
+kubectl get po -A
 ```
 </p>
 </details>