diff --git a/applications/utilities/thermophysical/adiabaticFlameT/adiabaticFlameT.C b/applications/utilities/thermophysical/adiabaticFlameT/adiabaticFlameT.C
index 523e6b4f63..811af55bed 100644
--- a/applications/utilities/thermophysical/adiabaticFlameT/adiabaticFlameT.C
+++ b/applications/utilities/thermophysical/adiabaticFlameT/adiabaticFlameT.C
@@ -52,7 +52,7 @@ typedef species::thermo<janafThermo<perfectGas<specie>>, absoluteEnthalpy>
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.append("controlFile");
+    argList::validArgs.append("control file");
     argList args(argc, argv);
 
     const fileName controlFileName = args[1];
diff --git a/applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C b/applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C
index ca34cdf0f6..863c92a23e 100644
--- a/applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C
+++ b/applications/utilities/thermophysical/chemkinToFoam/chemkinToFoam.C
@@ -45,11 +45,11 @@ int main(int argc, char *argv[])
     // Increase the precision of the output for JANAF coefficients
     Ostream::defaultPrecision(10);
 
-    argList::validArgs.append("CHEMKINFile");
-    argList::validArgs.append("CHEMKINThermodynamicsFile");
-    argList::validArgs.append("CHEMKINTransport");
-    argList::validArgs.append("FOAMChemistryFile");
-    argList::validArgs.append("FOAMThermodynamicsFile");
+    argList::validArgs.append("CHEMKIN file");
+    argList::validArgs.append("CHEMKIN thermodynamics file");
+    argList::validArgs.append("CHEMKIN transport file");
+    argList::validArgs.append("OpenFOAM chemistry file");
+    argList::validArgs.append("OpenFOAM thermodynamics file");
 
     argList::addBoolOption
     (
diff --git a/applications/utilities/thermophysical/equilibriumFlameT/equilibriumFlameT.C b/applications/utilities/thermophysical/equilibriumFlameT/equilibriumFlameT.C
index c24b3693e1..23bfb8369f 100644
--- a/applications/utilities/thermophysical/equilibriumFlameT/equilibriumFlameT.C
+++ b/applications/utilities/thermophysical/equilibriumFlameT/equilibriumFlameT.C
@@ -54,7 +54,7 @@ typedef species::thermo<janafThermo<perfectGas<specie>>, absoluteEnthalpy>
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.append("controlFile");
+    argList::validArgs.append("control file");
     argList args(argc, argv);
 
     const fileName controlFileName = args[1];
diff --git a/applications/utilities/thermophysical/mixtureAdiabaticFlameT/mixtureAdiabaticFlameT.C b/applications/utilities/thermophysical/mixtureAdiabaticFlameT/mixtureAdiabaticFlameT.C
index 5f7f61d4b8..2d6b114ac2 100644
--- a/applications/utilities/thermophysical/mixtureAdiabaticFlameT/mixtureAdiabaticFlameT.C
+++ b/applications/utilities/thermophysical/mixtureAdiabaticFlameT/mixtureAdiabaticFlameT.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011-2016 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2017 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -52,7 +52,7 @@ typedef species::thermo<janafThermo<perfectGas<specie>>, absoluteEnthalpy>
 
 int main(int argc, char *argv[])
 {
-    argList::validArgs.append("controlFile");
+    argList::validArgs.append("control file");
     argList args(argc, argv);
 
     const fileName controlFileName(args[1]);