diff --git a/kubernetes.md b/kubernetes.md
index 3ba0029..61e9ca1 100644
--- a/kubernetes.md
+++ b/kubernetes.md
@@ -8,4 +8,9 @@ To check your Kubernetes version you can do
 kubectl get nodes -o=jsonpath=$'{range .items[*]}{@.metadata.name}: {@.status.nodeInfo.kubeletVersion}\n{end}'
 ```
 
-# ???
+# ????
+
+
+# References
+https://kubernetes.io/docs/tutorials/clusters/apparmor/
+