diff --git a/applications/utilities/preProcessing/viewFactorGen/viewFactorsGen.C b/applications/utilities/preProcessing/viewFactorGen/viewFactorsGen.C
index 4d23ccdfe7..cd852f59c3 100644
--- a/applications/utilities/preProcessing/viewFactorGen/viewFactorsGen.C
+++ b/applications/utilities/preProcessing/viewFactorGen/viewFactorsGen.C
@@ -327,7 +327,7 @@ int main(int argc, char *argv[])
             (
                 availablePoints,
                 upp.localPoints().size(),
-		        upp.faceCentres().size()
+                upp.faceCentres().size()
             ).assign(upp.localPoints());
 
             point cfo = cf;
diff --git a/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/IDefault b/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/IDefault
index f6f9481cfd..cee31e6f47 100644
--- a/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/IDefault
+++ b/tutorials/combustion/fireFoam/les/smallPoolFire3D/0/IDefault
@@ -24,7 +24,7 @@ boundaryField
     {
         type            greyDiffusiveRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode	lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
diff --git a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/G b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/G
index 04abeb2d7c..1128a5d3ba 100644
--- a/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/G
+++ b/tutorials/heatTransfer/buoyantSimpleRadiationFoam/hotRadiationRoom/0/G
@@ -24,7 +24,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
@@ -33,7 +33,8 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-        emissivity      1;
+        emissivityMode  lookup;
+        emissivity      uniform 1.0;
         value           uniform 0;
     }
 
@@ -41,7 +42,8 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-        emissivity      1;
+        emissivityMode  lookup;
+        emissivity      uniform 1.0;
         value           uniform 0;
     }
 
@@ -49,7 +51,8 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-        emissivity      1;
+        emissivityMode  lookup;
+        emissivity      uniform 1.0;
         value           uniform 0;
     }
 }
diff --git a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/0/G b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/0/G
index 4a76429cb9..4eaceb0222 100644
--- a/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/0/G
+++ b/tutorials/lagrangian/coalChemistryFoam/simplifiedSiwek/0/G
@@ -25,7 +25,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
@@ -33,7 +33,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
@@ -41,7 +41,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
index f3e7ccba7d..05ad927952 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/filter/0/G
@@ -25,7 +25,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
         refValue        uniform 0;
@@ -36,7 +36,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
         refValue        uniform 0;
diff --git a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/0/G b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/0/G
index 07bc3518f5..eca73ca4bd 100644
--- a/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/0/G
+++ b/tutorials/lagrangian/porousExplicitSourceReactingParcelFoam/parcelInBox/0/G
@@ -33,7 +33,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
@@ -45,7 +45,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }
diff --git a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/0/G b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/0/G
index 3a9381dbca..3b08ef7eb6 100644
--- a/tutorials/lagrangian/reactingParcelFoam/evaporationTest/0/G
+++ b/tutorials/lagrangian/reactingParcelFoam/evaporationTest/0/G
@@ -25,7 +25,7 @@ boundaryField
     {
         type            MarshakRadiation;
         T               T;
-	emissivityMode	lookup;
+        emissivityMode  lookup;
         emissivity      uniform 1.0;
         value           uniform 0;
     }