diff --git a/dconf-0.40.0-DBDIR-doc.patch b/dconf-0.40.0-DBDIR-doc.patch
new file mode 100644
index 0000000..84e7c6b
--- /dev/null
+++ b/dconf-0.40.0-DBDIR-doc.patch
@@ -0,0 +1,38 @@
+From 3a50fbc21b8b2e659205833027cbf842e0e7a2a9 Mon Sep 17 00:00:00 2001
+From: Marek Kasik <mkasik@redhat.com>
+Date: Wed, 7 Jan 2026 16:29:48 +0100
+Subject: docs: Describe DBDIR argument in man page
+
+This patch also fixes a typo.
+---
+ docs/dconf-tool.xml | 7 ++++++-
+ 1 file changed, 6 insertions(+), 1 deletion(-)
+
+diff --git a/docs/dconf-tool.xml b/docs/dconf-tool.xml
+index 0e2bba9..687d045 100644
+--- a/docs/dconf-tool.xml
++++ b/docs/dconf-tool.xml
+@@ -105,7 +105,7 @@
+     </para>
+ 
+     <para>
+-      The <replaceable>OUTPUT</replaceable> argument must the location to write a (binary) dconf database to and the
++      The <replaceable>OUTPUT</replaceable> argument must be the location to write a (binary) dconf database to and the
+       <replaceable>KEYFILEDIR</replaceable> argument must be a .d directory containing keyfiles.
+     </para>
+ 
+@@ -114,6 +114,11 @@
+       explicit quotes: "'foo'". This format is also used when printing out values.
+     </para>
+ 
++    <para>
++      The optional <replaceable>DBDIR</replaceable> argument is a directory containing the system dconf databases to be updated.
++      The default directory is typically <filename>/etc/dconf/db/</filename> and users need sufficient privileges to update it.
++    </para>
++
+     <para>
+       Note that dconf needs a D-Bus session bus connection to write changes to the dconf database.
+     </para>
+-- 
+2.52.0
+
diff --git a/dconf.spec b/dconf.spec
index e1365a2..3aa4566 100644
--- a/dconf.spec
+++ b/dconf.spec
@@ -2,7 +2,7 @@
 
 Name:           dconf
 Version:        0.40.0
-Release:        16%{?dist}
+Release:        17%{?dist}
 Summary:        A configuration system
 
 License:        LGPL-2.0-or-later AND LGPL-2.1-or-later AND GPL-2.0-or-later AND GPL-3.0-or-later
@@ -12,6 +12,7 @@ Source0:        https://download.gnome.org/sources/dconf/0.40/dconf-%{version}.t
 Patch1:         dconf-override.patch
 Patch2:         dconf-0.40.0-tests-profile.patch
 Patch3:         dconf-0.40.0-permissions.patch
+Patch4:         dconf-0.40.0-DBDIR-doc.patch
 
 BuildRequires:  bash-completion
 BuildRequires:  dbus-devel
@@ -109,6 +110,10 @@ mkdir -p $RPM_BUILD_ROOT%{_sysconfdir}/dconf/db/distro.d/locks
 %{_datadir}/vala
 
 %changelog
+* Fri Jan 9 2026 Marek Kasik <mkasik@redhat.com> - 0.40.0-17
+- Describe DBDIR argument in man page
+- Resolves: RHEL-83392
+
 * Fri Jan 10 2025 Marek Kasik <mkasik@redhat.com> - 0.40.0-16
 - Backport patch for permissions restore
 - Indicate bundle of GVDB