diff --git a/README.md b/README.md
--- a/README.md
+++ b/README.md
@@ -33,6 +33,7 @@
 | share | Shared resources. |
 | stand | Boot loader sources. |
 | sys | Kernel sources (see [sys/README.md](sys/README.md)). |
+| targets | Support for experimental `DIRDEPS_BUILD` |
 | tests | Regression tests which can be run by Kyua.  See [tests/README](tests/README) for additional information. |
 | tools | Utilities for regression testing and miscellaneous tasks. |
 | usr.bin | User commands. |
diff --git a/share/man/man7/hier.7 b/share/man/man7/hier.7
--- a/share/man/man7/hier.7
+++ b/share/man/man7/hier.7
@@ -28,7 +28,7 @@
 .\"	@(#)hier.7	8.1 (Berkeley) 6/5/93
 .\" $FreeBSD$
 .\"
-.Dd August 4, 2022
+.Dd November 1, 2022
 .Dt HIER 7
 .Os
 .Sh NAME
@@ -641,127 +641,10 @@
 .It Pa src/
 .Fx
 source code; see
-.Xr development 7
-.Pp
-.Bl -tag -width "kerberos5/" -compact
-.It Pa bin/
-source code for files in /bin
-.It Pa cddl/
-utilities covered by the Common Development and Distribution License
-.It Pa contrib/
-source code for contributed software
-.It Pa crypto/
-source code for contributed cryptography software
-.It Pa etc/
-source code for files in
-.Pa /etc
-.It Pa gnu/
-utilities covered by the GNU General Public License
-.It Pa include/
-source code for files in
-.Pa /usr/include
-.It Pa kerberos5/
-build infrastructure for Kerberos version 5
-.It Pa lib/
-source code for files in
-.Pa /lib
-and
-.Pa /usr/lib
-.It Pa libexec/
-source code for files in
-.Pa /usr/libexec
-.It Pa release/
-files required to produce a
-.Fx
-release
-.It Pa rescue/
-source code for files in
-.Pa /rescue
-.It Pa sbin/
-source code for files in
-.Pa /sbin
-.It Pa secure/
-build directory for files in
-.Pa /usr/src/crypto
-.It Pa share/
-source for files in
-.Pa /usr/share
-.It Pa stand/
-boot loader source code
-.It Pa sys/
-kernel source code
-.Bl -tag -width Fl -compact
-.It Pa amd64/
-AMD64 architecture support
-.It Pa arm/
-ARM architecture support
-.It Pa arm64/
-ARMv8 architecture support
-.It Pa cam/
-.Xr cam 4
-and
-.Xr ctl 4
-.It Pa cddl/
-CDDL-licensed optional sources, including ZFS
-and DTrace
-.It Pa ddb/
-.Xr ddb 4
-.It Pa fs/
-most filesystems
-.It Pa dev/
-device drivers
-.It Pa geom/
-.Xr geom 4
-.It Pa i386/
-i386 (32 bit) architecture support
-.It Pa kern/
-main part of the kernel
-.It Pa net80211/
-.Xr net80211 4
-.It Pa netgraph/
-.Xr netgraph 4
-.It Pa netinet/
-.Xr inet 4
-.It Pa netinet6/
-.Xr inet6 4
-.It Pa netipsec/
-.Xr ipsec 4
-.It Pa netpfil/
-.Xr ipfw 4
-and
-.Xr pf 4
-.It Pa opencrypto/
-.Xr crypto 7
-.It Pa powerpc/
-PowerPC/POWER architecture support
-.It Pa riscv/
-RISC-V architecture support
-.It Pa security/
-.Xr audit 4
-and
-.Xr mac 4
-.It Pa sys/
-kernel headers
-.It Pa ufs/
-Unix File System
-.It Pa x86/
-code shared by AMD64 and i386 architectures
-.El
-.It Pa targets/
-support for experimental DIRDEPS_BUILD
-.It Pa tests/
-source code for files in
-.Pa /usr/tests
-.It Pa tools/
-tools used for maintenance and testing of
-.Fx
-.It Pa usr.bin/
-source code for files in
-.Pa /usr/bin
-.It Pa usr.sbin/
-source code for files in
-.Pa /usr/sbin
-.El
+.Xr development 7 .
+The layout of the source tree is described by the top-level
+.Pa README.md
+file.
 .Pp
 .It Pa tests/
 The