diff --git a/usr.sbin/cron/cron/cron.8 b/usr.sbin/cron/cron/cron.8
index c436cc2d396..15e93043956 100644
--- a/usr.sbin/cron/cron/cron.8
+++ b/usr.sbin/cron/cron/cron.8
@@ -17,7 +17,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd April 15, 2019
+.Dd February 9, 2022
 .Dt CRON 8
 .Os
 .Sh NAME
@@ -230,6 +230,7 @@ Directory for personal crontab files
 .Xr crontab 1 ,
 .Xr pam 3 ,
 .Xr crontab 5 ,
-.Xr pam.conf 5
+.Xr pam.conf 5 ,
+.Xr periodic 8
 .Sh AUTHORS
 .An Paul Vixie Aq Mt paul@vix.com