added units to comment

src/thermophysicalModels/specie/specie/specie.H

@@ -62,7 +62,7 @@ class specie
         //- Number of moles of this component in the mixture
         scalar nMoles_;
 
-        //- Molecular weight of specie
+        //- Molecular weight of specie [kg/kmol]
         scalar molWeight_;
 
 

src/thermophysicalModels/specie/thermo/polynomial/polynomialThermo.H

@@ -98,10 +98,10 @@ class polynomialThermo
 {
     // Private data
 
-        //- Heat of formation [m2/s2]
+        //- Heat of formation [J/kg]
         scalar Hf_;
 
-        //- Standard entropy [m2/(s2 K)]
+        //- Standard entropy [J/(kg.K)]
         scalar Sf_;
 
         //- Specific heat at constant pressure