diff --git a/src/thermophysicalModels/radiation/derivedFvPatchFields/radiationCoupledBase/radiationCoupledBase.H b/src/thermophysicalModels/radiation/derivedFvPatchFields/radiationCoupledBase/radiationCoupledBase.H
index 54902fa26..910371fb4 100644
--- a/src/thermophysicalModels/radiation/derivedFvPatchFields/radiationCoupledBase/radiationCoupledBase.H
+++ b/src/thermophysicalModels/radiation/derivedFvPatchFields/radiationCoupledBase/radiationCoupledBase.H
@@ -22,7 +22,7 @@ License
     along with OpenFOAM.  If not, see <http://www.gnu.org/licenses/>.
 
 Class
-    radiationCoupledBase
+    Foam::radiationCoupledBase
 
 Description
     Common functions to emissivity. It gets supplied from lookup into a