diff --git a/Cantera/src/ThermoPhase.h b/Cantera/src/ThermoPhase.h
index 76c3b9521..1aed0afca 100755
--- a/Cantera/src/ThermoPhase.h
+++ b/Cantera/src/ThermoPhase.h
@@ -463,6 +463,13 @@ namespace Cantera {
             err("getPartialMolarIntEnergies");
         }
 
+        /**
+         * Get the partial molar heat capacities Units: J/kmol/K
+         */
+        virtual void getPartialMolarCp(doublereal* cpbar) const {
+           err("getPartialMolarCp");
+        }
+
         /**
          * Get the species partial molar volumes. Units: m^3/kmol.
          */
@@ -895,7 +902,8 @@ namespace Cantera {
 	 *   have already been read at this point.
 	 *   For example, we do not need to call this function for
 	 *   ideal gas equations of state.
-	 *   This function is called after the elements and the
+	 *   This function is called from importPhase() 
+         *   after the elements and the
 	 *   species are initialized with default ideal solution
 	 *   level data.
 	 *