diff --git a/tutorials/combustion/PDRFoam/constant/combustionProperties b/tutorials/combustion/PDRFoam/constant/combustionProperties
index 4f086ed72e..9068a406ef 100644
--- a/tutorials/combustion/PDRFoam/constant/combustionProperties
+++ b/tutorials/combustion/PDRFoam/constant/combustionProperties
@@ -32,7 +32,7 @@ ignitionSites
         start           1E-05;
         duration        0.05;
         strength        10.0;
-	}
+    }
 );
 
 ignitionSphereFraction  1;
diff --git a/tutorials/combustion/PDRFoam/constant/thermophysicalProperties b/tutorials/combustion/PDRFoam/constant/thermophysicalProperties
index f6c864dfed..561cfd6f12 100644
--- a/tutorials/combustion/PDRFoam/constant/thermophysicalProperties
+++ b/tutorials/combustion/PDRFoam/constant/thermophysicalProperties
@@ -15,9 +15,9 @@ FoamFile
 }
 // * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * //
 
-thermoType	hhuMixtureThermo<inhomogeneousMixture<sutherlandTransport<specieThermo<janafThermo<perfectGas>>>>>;
+thermoType  hhuMixtureThermo<inhomogeneousMixture<sutherlandTransport<specieThermo<janafThermo<perfectGas>>>>>;
 
-stoichiometricAirFuelMassRatio	stoichiometricAirFuelMassRatio [0 0 0 0 0 0 0] 15.5776;
+stoichiometricAirFuelMassRatio  stoichiometricAirFuelMassRatio [0 0 0 0 0 0 0] 15.5776;
 
 fuel
 {
@@ -61,5 +61,4 @@ burntProducts
 
 // ************************************************************************* //
 
- 	;