diff --git a/src/thermophysicalModels/specie/thermo/polynomial/polynomialThermo.H b/src/thermophysicalModels/specie/thermo/polynomial/polynomialThermo.H
index db53fa8cf52ddae859a9397fab7910e9d9e75532..5f76a826d7735ea915038a937db2cbb27209d9ef 100644
--- a/src/thermophysicalModels/specie/thermo/polynomial/polynomialThermo.H
+++ b/src/thermophysicalModels/specie/thermo/polynomial/polynomialThermo.H
@@ -27,7 +27,9 @@ Class
 
 Description
     Thermodynamics package templated on the equation of state, using polynomial
-    functions for cp and h
+    functions for cp, h and s
+
+    Polynomials for h and s derived from cp
 
 SourceFiles
     polynomialThermoI.H