diff --git a/lib/libc/sys/ktrace.2 b/lib/libc/sys/ktrace.2
index 543f6f6ebba..785d6395e02 100644
--- a/lib/libc/sys/ktrace.2
+++ b/lib/libc/sys/ktrace.2
@@ -28,7 +28,7 @@
 .\"     @(#)ktrace.2	8.1 (Berkeley) 6/4/93
 .\" $FreeBSD$
 .\"
-.Dd March 30, 2020
+.Dd November 2, 2022
 .Dt KTRACE 2
 .Os
 .Sh NAME
@@ -96,6 +96,7 @@ generate much output).
 .It KTRFAC_CAPFAIL Ta "Trace capability failures."
 .It KTRFAC_FAULT Ta "Trace page faults."
 .It KTRFAC_FAULTEND Ta "Trace the end of page faults."
+.It KTRFAC_STRUCT_ARRAY Ta "Trace arrays of certain data structures."
 .It KTRFAC_INHERIT Ta "Inherit tracing to future children."
 .El
 .Pp