tutorials: corrected comments in snappyHexMeshDict

Resolves bug-report http://www.openfoam.org/mantisbt/view.php?id=1541

tutorials/multiphase/LTSInterFoam/DTCHull/system/snappyHexMeshDict

@@ -196,6 +196,7 @@ addLayersControls
 
     // Wanted thickness of final added cell layer. If multiple layers
     // is the thickness of the layer furthest away from the wall.
+    // Relative to undistorted size of cell outside layer.
     // See relativeSizes parameter.
     finalLayerThickness 0.7;
 

tutorials/multiphase/interDyMFoam/ras/DTCHull/system/snappyHexMeshDict

@@ -196,6 +196,7 @@ addLayersControls
 
     // Wanted thickness of final added cell layer. If multiple layers
     // is the thickness of the layer furthest away from the wall.
+    // Relative to undistorted size of cell outside layer.
     // See relativeSizes parameter.
     finalLayerThickness 0.7;
 

tutorials/multiphase/interDyMFoam/ras/mixerVesselAMI/system/snappyHexMeshDict

@@ -384,9 +384,10 @@ addLayersControls
         // Expansion factor for layer mesh
         expansionRatio 1.0;
 
-        // Wanted thickness of the layer furthest away from the wall.
-        // If relativeSizes this is relative to undistorted size of cell
-        // outside layer.
+        // Wanted thickness of final added cell layer. If multiple layers
+        // is the thickness of the layer furthest away from the wall.
+        // Relative to undistorted size of cell outside layer.
+        // See relativeSizes parameter.
         finalLayerThickness 0.3;
 
         // Wanted thickness of the layer next to the wall.

tutorials/multiphase/interPhaseChangeDyMFoam/propeller/system/snappyHexMeshDict

@@ -338,10 +338,8 @@ addLayersControls
     expansionRatio 1.0;
 
     // Wanted thickness of final added cell layer. If multiple layers
-    // is the
-    // thickness of the layer furthest away from the wall.
-    // Relative to undistorted size of cell outside layer.
     // is the thickness of the layer furthest away from the wall.
+    // Relative to undistorted size of cell outside layer.
     // See relativeSizes parameter.
     finalLayerThickness 0.3;
 

tutorials/multiphase/interPhaseChangeFoam/cavitatingBullet/system/snappyHexMeshDict

@@ -211,9 +211,9 @@ addLayersControls
     expansionRatio 1.0;
 
     // Wanted thickness of final added cell layer. If multiple layers
-    // is the
-    // thickness of the layer furthest away from the wall.
+    // is the thickness of the layer furthest away from the wall.
     // Relative to undistorted size of cell outside layer.
+    // See relativeSizes parameter.
     finalLayerThickness 0.3;
 
     // Minimum thickness of cell layer. If for any reason layer