diff --git a/SUPPORT.md b/SUPPORT.md
index 0c5bb6d4bc..8a28a4c0e9 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -56,8 +56,8 @@ Release Notes
 
     Status, AMD IOMMU: Supported
     Status, Intel VT-d: Supported
-    Status, ARM SMMUv1: Supported
-    Status, ARM SMMUv2: Supported
+    Status, ARM SMMUv1: Supported, not security supported
+    Status, ARM SMMUv2: Supported, not security supported
 
 ### ARM/GICv3 ITS