diff --git a/how-to-setup-a-policy-namespace-for-containers.md b/how-to-setup-a-policy-namespace-for-containers.md
index e33c457..cb4ee32 100644
--- a/how-to-setup-a-policy-namespace-for-containers.md
+++ b/how-to-setup-a-policy-namespace-for-containers.md
@@ -21,6 +21,8 @@ Nesting requirement with user namespaces
 
 # Stacking Kernel Requirements
 
+Caveat: Audit subsystem is not namespaced
+
 ## Nesting Requirement
 
 if apparmor policy namespaces are used in conjunction with user namespaces. There is a nesting limit.