3 files changed, 32 insertions, 8 deletions
diff --git a/lib/geom/Makefile.inc b/lib/geom/Makefile.inc
index 35163127538d..75d312a94fe4 100644
--- a/lib/geom/Makefile.inc
+++ b/lib/geom/Makefile.inc
@@ -1,10 +1,11 @@
 .include <src.opts.mk>
 
-SHLIBDIR=${GEOM_CLASS_DIR}
-SHLIB_NAME?=geom_${GEOM_CLASS}.so
-MAN=	g${GEOM_CLASS}.8
-SRCS+=	geom_${GEOM_CLASS}.c subr.c
-CFLAGS+=-I${SRCTOP}/sbin/geom
+SHLIBDIR=	${GEOM_CLASS_DIR}
+SHLIB_NAME?=	geom_${GEOM_CLASS}.so
+MANNODEV=	g${GEOM_CLASS}.8
+
+SRCS+=		geom_${GEOM_CLASS}.c subr.c
+CFLAGS+=	-I${SRCTOP}/sbin/geom
 
 .PATH: ${SRCTOP}/sbin/geom/misc
 
diff --git a/lib/geom/part/gpart.8 b/lib/geom/part/gpart.8
index f76c1d9d5d6c..2e11417f8494 100644
--- a/lib/geom/part/gpart.8
+++ b/lib/geom/part/gpart.8
@@ -22,7 +22,7 @@
 .\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 .\" SUCH DAMAGE.
 .\"
-.Dd February 11, 2025
+.Dd October 24, 2025
 .Dt GPART 8
 .Os
 .Sh NAME
@@ -1497,6 +1497,26 @@ and
 .Bd -literal -offset indent
 /sbin/gpart backup ada0 | /sbin/gpart restore -F ada1 ada2
 .Ed
+.Sh DIAGNOSTICS
+.Bl -diag
+.It gpart: arg0 '%s': Invalid argument
+The provided
+.Ar geom
+argument
+is not a GEOM provider.
+Not every device in
+.Xr devfs 4
+is a GEOM provider.
+For example, a
+.Xr zfs 4
+zvol will show up as a GEOM provider only if its
+.Sy volmode
+is set properly
+.Po refer to
+.Xr zfsprops 8
+for details
+.Pc .
+.El
 .Sh SEE ALSO
 .Xr geom 4 ,
 .Xr boot0cfg 8 ,
diff --git a/lib/geom/shsec/gshsec.8 b/lib/geom/shsec/gshsec.8
index d4477de3a71e..f80ab9384fe3 100644
--- a/lib/geom/shsec/gshsec.8
+++ b/lib/geom/shsec/gshsec.8
@@ -1,3 +1,6 @@
+.\"
+.\" SPDX-License-Identifier: BSD-2-Clause
+.\"
 .\" Copyright (c) 2005 Pawel Jakub Dawidek <pjd@FreeBSD.org>
 .\" All rights reserved.
 .\"
@@ -64,7 +67,7 @@ the rest of them.
 The first argument to
 .Nm
 indicates an action to be performed:
-.Bl -tag -width ".Cm destroy"
+.Bl -tag -width indent
 .It Cm label
 Set up a shared secret device from the given components with the specified
 .Ar name .
@@ -92,7 +95,7 @@ See
 .El
 .Pp
 Additional options:
-.Bl -tag -width ".Fl f"
+.Bl -tag -width indent
 .It Fl f
 Force the removal of the specified shared secret device.
 .It Fl h