diff --git a/src/rigidBodyDynamics/joints/joint/joint.H b/src/rigidBodyDynamics/joints/joint/joint.H
index 64258a3f71cf2d13002ff9deac8c334ba6e70472..bdab806be34e33711eb80fc0cc3fbee3e9a0e6a3 100644
--- a/src/rigidBodyDynamics/joints/joint/joint.H
+++ b/src/rigidBodyDynamics/joints/joint/joint.H
@@ -21,6 +21,12 @@ License
     You should have received a copy of the GNU General Public License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
+Namespace
+    Foam::RBD::joints
+
+Description
+    Namespace for rigid-body joints
+
 Class
     Foam::RBD::joint