Chroot first appeared in 4.3-Reno, not in 4.4 in the BSD world,

but in System III in the AT&T world.

Examination of the TUHS archives shows this was present in 4.3-Reno
and System III.

Reviewed by: 0mp@, allanjude@
MFC After: 3 days
Differential Revision: https://reviews.freebsd.org/D25479

usr.sbin/chroot/chroot.8

@@ -28,7 +28,7 @@
 .\"     @(#)chroot.8	8.1 (Berkeley) 6/9/93
 .\" $FreeBSD$
 .\"
-.Dd March 14, 2019
+.Dd June 27, 2020
 .Dt CHROOT 8
 .Os
 .Sh NAME
@@ -113,4 +113,6 @@ to list the contents of
 The
 .Nm
 utility first appeared in
-.Bx 4.4 .
+.At III
+and
+.Bx 4.3 Reno .