diff --git a/kubernetes.md b/kubernetes.md
index 3a5131b..3ba0029 100644
--- a/kubernetes.md
+++ b/kubernetes.md
@@ -1,6 +1,11 @@
 
-Check Kubernetes version
+# Check you Kubernetes Version
+AppArmor support was added to kubernetes in v1.4. Kubernetes older than v1.4 do not understand AppArmor annotations and they will be silently ignored.
+
+To check your Kubernetes version you can do
 
 ```
 kubectl get nodes -o=jsonpath=$'{range .items[*]}{@.metadata.name}: {@.status.nodeInfo.kubeletVersion}\n{end}'
 ```
+
+# ???