diff --git a/services/dvm-impl.md b/services/dvm-impl.md
index 246580a6..72139f3e 100644
--- a/services/dvm-impl.md
+++ b/services/dvm-impl.md
@@ -11,6 +11,8 @@ redirect_from:
 DisposableVM implementation in Qubes
 ====================================
 
+**Note: The content below applies to Qubes R3.2.**
+
 DisposableVM image preparation
 ------------------------------