diff --git a/Cantera/src/thermo/ThermoFactory.h b/Cantera/src/thermo/ThermoFactory.h
index 272cb1261..f107d897c 100644
--- a/Cantera/src/thermo/ThermoFactory.h
+++ b/Cantera/src/thermo/ThermoFactory.h
@@ -278,7 +278,7 @@ namespace Cantera {
    *              exist in 'p'. If rule != 0, quietly skip 
    *              this species if some elements are undeclared;
    *              otherwise, throw an exception
-   * @param factor Pointer to the SpeciesThermoFactory .
+   * @param factory Pointer to the SpeciesThermoFactory .
    *
    * @return
    *  Returns true if everything is ok, false otherwise.
diff --git a/Cantera/src/thermo/WaterPropsIAPWS.cpp b/Cantera/src/thermo/WaterPropsIAPWS.cpp
index 85ce72f84..b1d6e5aa8 100644
--- a/Cantera/src/thermo/WaterPropsIAPWS.cpp
+++ b/Cantera/src/thermo/WaterPropsIAPWS.cpp
@@ -18,12 +18,17 @@
 #include <stdio.h>
 #include <stdlib.h>
 /*
- * Critical Point values in mks units
+ * Critical Point values of water in mks units
  */
- const double T_c = 647.096;       // Kelvin
-static const double P_c = 22.064E6;      // Pascals
- const double Rho_c = 322.;        // kg m-3
-static const double M_water = 18.015268; // kg kmol-1
+//! Critical Temperature value (kelvin)
+const double T_c = 647.096;  
+//! Critical Pressure (Pascals)
+static const double P_c = 22.064E6; 
+//! Value of the Density at the critical point (kg  m-3)
+const double Rho_c = 322.;    
+//! Molecular Weight of water that is consistent with the paper (kg kmol-1)
+static const double M_water = 18.015268; 
+
 /*
  * Note, this is the Rgas value quoted in the paper. For consistency
  * we have to use that value and not the updated value
diff --git a/Cantera/src/thermo/WaterPropsIAPWS.h b/Cantera/src/thermo/WaterPropsIAPWS.h
index 81a590c34..4eef0d3eb 100644
--- a/Cantera/src/thermo/WaterPropsIAPWS.h
+++ b/Cantera/src/thermo/WaterPropsIAPWS.h
@@ -136,10 +136,16 @@ public:
   WaterPropsIAPWS();
 
   //! Copy constructor
-  WaterPropsIAPWS(const WaterPropsIAPWS &b);
+  /*!
+   * @param right Object to be copied
+   */
+  WaterPropsIAPWS(const WaterPropsIAPWS &right);
 
   //! assignment constructor
-  WaterPropsIAPWS & operator=(const WaterPropsIAPWS &b);
+  /*!
+   * @param right Object to be copied
+   */
+  WaterPropsIAPWS & operator=(const WaterPropsIAPWS &right);
 
   //! destructor
   ~WaterPropsIAPWS();