diff --git a/tutorials/sphereGranFlow/binarySystemOfParticles/settings/geometryDict b/tutorials/sphereGranFlow/binarySystemOfParticles/settings/geometryDict
old mode 100644
new mode 100755
index 6dfadd8b..db1c16ea
--- a/tutorials/sphereGranFlow/binarySystemOfParticles/settings/geometryDict
+++ b/tutorials/sphereGranFlow/binarySystemOfParticles/settings/geometryDict
@@ -6,17 +6,17 @@ objectName 	geometryDict;
 objectType 	dictionary;
 fileFormat  ASCII;
 /*---------------------------------------------------------------------------*/
-motionModel rotatingAxis;              // motion model can be rotatingAxis or stationary or vibrating
+motionModel     rotatingAxis;          // motion model can be rotatingAxis or stationary or vibrating
 
-rotatingAxisInfo                       // information for rotatingAxis motion model 
+rotatingAxisInfo          // information for rotatingAxis motion model 
 {
 	rotAxis 
 	{
-		p1 (0.0 0.0 0.0);	           // first point for the axis of rotation 
+		p1 (0.0 0.0 0.0);	       // first point for the axis of rotation 
 
-		p2 (0.0 0.0 1.0);	           // second point for the axis of rotation
+		p2 (0.0 0.0 1.0);	       // second point for the axis of rotation
 		
-		omega 1.214; 		           // rotation speed (rad/s)
+		omega      1.214; 		   // rotation speed (rad/s)
 	}
 }
 
@@ -24,21 +24,21 @@ surfaces
 {
 	cylinder
 	{
-		type cylinderWall;             // type of the wall
+		type     cylinderWall;          // other options: cuboidWall and planeWall
 
-		p1 (0.0 0.0 0.0);              // begin point of cylinder axis
+		p1 (0.0 0.0 0.0);          // begin point of cylinder axis
 
-		p2 (0.0 0.0 0.1);              // end point of cylinder axis
+		p2 (0.0 0.0 0.1);          // end point of cylinder axis
 
-		radius1 0.12;		           // radius at p1
+		radius1     0.12;		   // radius at p1
 
-		radius2 0.12;		           // radius at p2
+		radius2     0.12;		   // radius at p2
 
-		resolution 24;                 // number of divisions
+		resolution    24;          // number of divisions
 
-		material prop1;                // material name of this wall
+		material   prop1;          // material name of this wall
 
-		motion rotAxis;		           // motion component name 
+		motion   rotAxis;		   // motion component name 
 	}
 
 	/*
@@ -47,19 +47,19 @@ surfaces
 
 	wall1
 	{
-		type planeWall;			       // type of the wall
+		type     planeWall;			 // other options: cuboidWall and  cylinderWall
 
 		p1 (-0.12 -0.12 0.0);	       // first point of the wall
 
-		p2 ( 0.12 -0.12 0.0);          // second point of the wall
+		p2  (0.12 -0.12 0.0);          // second point of the wall
 
-		p3 ( 0.12  0.12 0.0);          // third point of the wall
+		p3   (0.12 0.12 0.0);          // third point of the wall
 
-		p4 (-0.12  0.12 0.0);          // fourth point of the wall
+		p4  (-0.12 0.12 0.0);          // fourth point of the wall
 
-		material prop1;                // material name of the wall 
+		material       prop1;          // material name of the wall 
 
-		motion rotAxis;			       // motion component name 
+		motion       rotAxis;		   // motion component name 
 	}
 
 	/*
@@ -68,19 +68,19 @@ surfaces
 
 	wall2
 	{
-		type planeWall;                // type of the wall   
+		type     planeWall;          // other options: cuboidWall and  cylinderWall 
 
 		p1 (-0.12 -0.12 0.1);          // first point of the wall
 
-		p2 ( 0.12 -0.12 0.1);          // second point of the wall
+		p2  (0.12 -0.12 0.1);          // second point of the wall
 
-		p3 ( 0.12  0.12 0.1);          // third point of the wall
+		p3   (0.12 0.12 0.1);          // third point of the wall
 
-		p4 (-0.12  0.12 0.1);          // fourth point of the wall
+		p4  (-0.12 0.12 0.1);          // fourth point of the wall
 
-		material prop1;                // material name of the wall 
+		material       prop1;          // material name of the wall 
 
-		motion rotAxis;                // motion component name 
+		motion       rotAxis;          // motion component name 
 	}
 }