diff --git a/src/vmm_mad/exec/vmm_exec_kvm.conf b/src/vmm_mad/exec/vmm_exec_kvm.conf
index 8cf0b39f53..4f3bb432da 100644
--- a/src/vmm_mad/exec/vmm_exec_kvm.conf
+++ b/src/vmm_mad/exec/vmm_exec_kvm.conf
@@ -24,6 +24,7 @@
 #  - disk [driver, cache, io]
 #  - nic  [filter, model]
 #  - raw
+# NOTE: raw attribute value is appended to that on the VM template
 
 #EMULATOR = /usr/libexec/qemu-kvm