diff --git a/src/thermophysicalModels/chemistryModel/chemistryModel/rhoChemistryModel/rhoChemistryModel.H b/src/thermophysicalModels/chemistryModel/chemistryModel/rhoChemistryModel/rhoChemistryModel.H
index 43df6e0406..8991f250f9 100644
--- a/src/thermophysicalModels/chemistryModel/chemistryModel/rhoChemistryModel/rhoChemistryModel.H
+++ b/src/thermophysicalModels/chemistryModel/chemistryModel/rhoChemistryModel/rhoChemistryModel.H
@@ -26,7 +26,7 @@ Class
     Foam::rhoChemistryModel
 
 Description
-    Chemistry model for compressibility-based thermodynamics
+    Chemistry model for density-based thermodynamics
 
 SourceFiles
     rhoChemistryModelI.H