diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index b0a15a24d74..5724d917fde 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -634,7 +634,7 @@ options 	NETGRAPH_ATMLLC
 options 	NETGRAPH_ATM_ATMPIF
 options 	NETGRAPH_BLUETOOTH		# ng_bluetooth(4)
 options 	NETGRAPH_BLUETOOTH_BT3C		# ng_bt3c(4)
-options 	NETGRAPH_BLUETOOTH_H4		# ng_h4(4)
+# options 	NETGRAPH_BLUETOOTH_H4		# ng_h4(4) - not MPSAFE
 options 	NETGRAPH_BLUETOOTH_HCI		# ng_hci(4)
 options 	NETGRAPH_BLUETOOTH_L2CAP	# ng_l2cap(4)
 options 	NETGRAPH_BLUETOOTH_SOCKET	# ng_btsocket(4)