diff --git a/sys/conf/NOTES b/sys/conf/NOTES
index 406373f9f8ea..8b41c4e56907 100644
--- a/sys/conf/NOTES
+++ b/sys/conf/NOTES
@@ -718,6 +718,7 @@ options 	ALTQ
 options 	ALTQ_CBQ	# Class Based Queueing
 options 	ALTQ_RED	# Random Early Detection
 options 	ALTQ_RIO	# RED In/Out
+options 	ALTQ_CODEL	# CoDel Active Queueing
 options 	ALTQ_HFSC	# Hierarchical Packet Scheduler
 options 	ALTQ_FAIRQ	# Fair Packet Scheduler
 options 	ALTQ_CDNR	# Traffic conditioner