diff --git a/src/DataStructures.cpp b/src/DataStructures.cpp
index 9eb08a1e..e706f483 100644
--- a/src/DataStructures.cpp
+++ b/src/DataStructures.cpp
@@ -32,15 +32,15 @@ const parameter_info parameter_info_list[] = {
     {iDelta,  "Delta",  "IO", "-",       "Reduced density (rho/rhoc)",            false},
     {iTau,    "Tau",    "IO", "-",       "Reciprocal reduced temperature (Tc/T)", false},
     /// Output only
-    {iCpmolar,           "Cpmolar",           "O", "J/mol/K", "Molar specific constant presssure specific heat", false},
-    {iCpmass,            "Cpmass",            "O", "J/kg/K",  "Mass specific constant presssure specific heat",  false},
+    {iCpmolar,           "Cpmolar",           "O", "J/mol/K", "Molar specific constant pressure specific heat", false},
+    {iCpmass,            "Cpmass",            "O", "J/kg/K",  "Mass specific constant pressure specific heat",  false},
     {iCvmolar,           "Cvmolar",           "O", "J/mol/K", "Molar specific constant volume specific heat",    false},
     {iCvmass,            "Cvmass",            "O", "J/kg/K",  "Mass specific constant volume specific heat",     false},
-    {iCp0molar,          "Cp0molar",          "O", "J/mol/K", "Ideal gas molar specific constant presssure specific heat",false},
-    {iCp0mass,           "Cp0mass",           "O", "J/kg/K",  "Ideal gas mass specific constant presssure specific heat",false},
-    {iGWP20,             "GWP20",             "O", "-",       "20-year gobal warming potential",                 true},
-    {iGWP100,            "GWP100",            "O", "-",       "100-year gobal warming potential",                true},
-    {iGWP500,            "GWP500",            "O", "-",       "500-year gobal warming potential",                true},
+    {iCp0molar,          "Cp0molar",          "O", "J/mol/K", "Ideal gas molar specific constant pressure specific heat",false},
+    {iCp0mass,           "Cp0mass",           "O", "J/kg/K",  "Ideal gas mass specific constant pressure specific heat",false},
+    {iGWP20,             "GWP20",             "O", "-",       "20-year global warming potential",                 true},
+    {iGWP100,            "GWP100",            "O", "-",       "100-year global warming potential",                true},
+    {iGWP500,            "GWP500",            "O", "-",       "500-year global warming potential",                true},
     {iFH,                "FH",                "O", "-",       "Flammability hazard",                             true},
     {iHH,                "HH",                "O", "-",       "Health hazard",                                   true},
     {iPH,                "PH",                "O", "-",       "Physical hazard",                                 true},
@@ -79,7 +79,7 @@ const parameter_info parameter_info_list[] = {
     {iisothermal_compressibility,             "isothermal_compressibility",             "O", "1/Pa", "Isothermal compressibility",false},
     {iisobaric_expansion_coefficient,         "isobaric_expansion_coefficient",         "O", "1/K",  "Isobaric expansion coefficient",false},
     {iZ,                                      "Z",                                      "O", "-",    "Compressibility factor",false},
-    {ifundamental_derivative_of_gas_dynamics, "fundamental_derivative_of_gas_dynamics", "O", "-",    "Fundamental_derivative_of_gas_dynamics",false},
+    {ifundamental_derivative_of_gas_dynamics, "fundamental_derivative_of_gas_dynamics", "O", "-",    "Fundamental derivative of gas dynamics",false},
     
     {ialphar,                  "alphar",                  "O", "-", "Residual Helmholtz energy", false},
     {idalphar_dtau_constdelta, "dalphar_dtau_constdelta", "O", "-", "Derivative of residual Helmholtz energy with tau",false},