diff --git a/src/thermophysicalModels/radiation/fvOptions/radiation/radiation.H b/src/thermophysicalModels/radiation/fvOptions/radiation/radiation.H
index 57927a28f7..26be2ff2f0 100644
--- a/src/thermophysicalModels/radiation/fvOptions/radiation/radiation.H
+++ b/src/thermophysicalModels/radiation/fvOptions/radiation/radiation.H
@@ -25,8 +25,7 @@ Class
     Foam::fv::radiation
 
 Description
-    Calculates and applies the buoyancy energy source rho*(U&g) to the energy
-    equation.
+    Calculates and applies the radiation source to the energy equation.
 
 Usage
     Example usage: