diff --git a/share/etc/oned.conf b/share/etc/oned.conf
index 84fece7e28d..b56757f29b7 100644
--- a/share/etc/oned.conf
+++ b/share/etc/oned.conf
@@ -1176,6 +1176,9 @@ INHERIT_VNET_ATTR       = "VCENTER_INSTANCE_ID"
 #            |- snap_3
 #            |- snap_4
 #         |- snap_2
+#        FORMAT: Snapshots depend on the image format
+#          - raw: Orphans are allowed, acts as "YES"
+#          - qcow2: Orphans are not allowed, acts as "NO"
 #*******************************************************************************
 
 TM_MAD_CONF = [