diff --git a/src/mesh/blockMesh/block/blockCreate.C b/src/mesh/blockMesh/block/blockCreate.C
index c5d1c53568..85c6c583b9 100644
--- a/src/mesh/blockMesh/block/blockCreate.C
+++ b/src/mesh/blockMesh/block/blockCreate.C
@@ -30,7 +30,7 @@ License
 
 void Foam::block::createPoints() const
 {
-    // set local variables for mesh specification
+    // Set local variables for mesh specification
     const label ni = meshDensity().x();
     const label nj = meshDensity().y();
     const label nk = meshDensity().z();
@@ -46,12 +46,12 @@ void Foam::block::createPoints() const
     const point& p011 = blockPoint(7);
 
 
-    // list of edge point and weighting factors
+    // List of edge point and weighting factors
     const List< List<point> >& p = blockEdgePoints();
     const scalarListList& w = blockEdgeWeights();
 
     //
-    // generate vertices
+    // Generate vertices
     //
     vertices_.clear();
     vertices_.setSize(nPoints());
@@ -64,7 +64,7 @@ void Foam::block::createPoints() const
             {
                 const label vertexNo = vtxLabel(i, j, k);
 
-                // points on edges
+                // Points on edges
                 vector edgex1 = p000 + (p100 - p000)*w[0][i];
                 vector edgex2 = p010 + (p110 - p010)*w[1][i];
                 vector edgex3 = p011 + (p111 - p011)*w[2][i];
@@ -81,7 +81,7 @@ void Foam::block::createPoints() const
                 vector edgez4 = p010 + (p011 - p010)*w[11][k];
 
 
-                // calculate the importance factors for all edges
+                // Calculate the importance factors for all edges
 
                 // x-direction
                 scalar impx1 =
@@ -179,7 +179,7 @@ void Foam::block::createPoints() const
                 impz4 /= magImpz;
 
 
-                // calculate the correction vectors
+                // Calculate the correction vectors
                 vector corx1 = impx1*(p[0][i] - edgex1);
                 vector corx2 = impx2*(p[1][i] - edgex2);
                 vector corx3 = impx3*(p[2][i] - edgex3);
@@ -196,7 +196,7 @@ void Foam::block::createPoints() const
                 vector corz4 = impz4*(p[11][k] - edgez4);
 
 
-                // multiply by the importance factor
+                // Multiply by the importance factor
 
                 // x-direction
                 edgex1 *= impx1;
@@ -217,7 +217,7 @@ void Foam::block::createPoints() const
                 edgez4 *= impz4;
 
 
-                // add the contributions
+                // Add the contributions
                 vertices_[vertexNo] =
                 (
                     edgex1 + edgex2 + edgex3 + edgex4
@@ -244,7 +244,7 @@ void Foam::block::createCells() const
     const label nk = meshDensity().z();
 
     //
-    // generate cells
+    // Generate cells
     //
     cells_.clear();
     cells_.setSize(nCells());
@@ -281,7 +281,7 @@ void Foam::block::createBoundary() const
     const label nk = meshDensity().z();
 
     //
-    // generate boundaries on each side of the hex
+    // Generate boundaries on each side of the hex
     //
     boundaryPatches_.clear();
     boundaryPatches_.setSize(6);
@@ -300,7 +300,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(0, j, k);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -310,7 +310,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(0, j + 1, k);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
@@ -327,7 +327,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(ni, j, k);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -337,7 +337,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(ni, j, k+1);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
@@ -355,7 +355,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(i, 0, k);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -365,7 +365,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(i, 0, k + 1);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
@@ -382,7 +382,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(i, nj, k);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -392,7 +392,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(i + 1, nj, k);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
@@ -411,7 +411,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(i, j, 0);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -421,7 +421,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(i + 1, j, 0);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
@@ -438,7 +438,7 @@ void Foam::block::createBoundary() const
         {
             boundaryPatches_[wallLabel][wallCellLabel].setSize(4);
 
-            // set the points
+            // Set the points
             boundaryPatches_[wallLabel][wallCellLabel][0] =
                 vtxLabel(i, j, nk);
             boundaryPatches_[wallLabel][wallCellLabel][1] =
@@ -448,7 +448,7 @@ void Foam::block::createBoundary() const
             boundaryPatches_[wallLabel][wallCellLabel][3] =
                 vtxLabel(i, j + 1, nk);
 
-            // update the counter
+            // Update the counter
             wallCellLabel++;
         }
     }
diff --git a/src/mesh/blockMesh/blockDescriptor/blockDescriptor.C b/src/mesh/blockMesh/blockDescriptor/blockDescriptor.C
index bafbc0654b..fad60ea2fd 100644
--- a/src/mesh/blockMesh/blockDescriptor/blockDescriptor.C
+++ b/src/mesh/blockMesh/blockDescriptor/blockDescriptor.C
@@ -59,7 +59,7 @@ Foam::blockDescriptor::blockDescriptor
             << exit(FatalError);
     }
 
-    // create a list of edges
+    // Create a list of edges
     makeBlockEdges();
 }
 
@@ -99,7 +99,7 @@ Foam::blockDescriptor::blockDescriptor
 
     if (t.isPunctuation())
     {
-        // new-style: read a list of 3 values
+        // New-style: read a list of 3 values
         if (t.pToken() == token::BEGIN_LIST)
         {
             is >> meshDensity_;
@@ -118,7 +118,7 @@ Foam::blockDescriptor::blockDescriptor
     }
     else
     {
-        // old-style: read three labels
+        // Old-style: read three labels
         is  >> meshDensity_.x()
             >> meshDensity_.y()
             >> meshDensity_.z();
@@ -134,7 +134,7 @@ Foam::blockDescriptor::blockDescriptor
 
     if (expRatios.size() == 1)
     {
-        // identical in x/y/z-directions
+        // Identical in x/y/z-directions
         expand_ = expRatios[0];
     }
     else if (expRatios.size() == 3)
@@ -171,7 +171,7 @@ Foam::blockDescriptor::blockDescriptor
             << exit(FatalError);
     }
 
-    // create a list of edges
+    // Create a list of edges
     makeBlockEdges();
 }
 
@@ -279,7 +279,7 @@ Foam::Ostream& Foam::operator<<(Ostream& os, const blockDescriptor& bd)
 
     const List<gradingDescriptors>& expand = bd.expand_;
 
-    // can we use a compact notation?
+    // Can we use a compact notation?
     if
     (
         // x-direction
diff --git a/src/mesh/blockMesh/curvedEdges/curvedEdge.C b/src/mesh/blockMesh/curvedEdges/curvedEdge.C
index a764cc85f9..38a6637bde 100644
--- a/src/mesh/blockMesh/curvedEdges/curvedEdge.C
+++ b/src/mesh/blockMesh/curvedEdges/curvedEdge.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -117,11 +117,11 @@ Foam::pointField Foam::curvedEdge::appendEndPoints
 {
     pointField allKnots(otherKnots.size() + 2);
 
-    // start/end knots
+    // Start/end knots
     allKnots[0] = points[start];
     allKnots[otherKnots.size() + 1] = points[end];
 
-    // intermediate knots
+    // Intermediate knots
     forAll(otherKnots, knotI)
     {
         allKnots[knotI+1] = otherKnots[knotI];
diff --git a/src/mesh/blockMesh/curvedEdges/lineDivide.C b/src/mesh/blockMesh/curvedEdges/lineDivide.C
index 240097ed3c..5169b9d236 100644
--- a/src/mesh/blockMesh/curvedEdges/lineDivide.C
+++ b/src/mesh/blockMesh/curvedEdges/lineDivide.C
@@ -130,7 +130,6 @@ Foam::lineDivide::lineDivide
         }
     }
 
-
     // Calculate the points
     for (label i = 0; i <= nDiv; i++)
     {
diff --git a/src/mesh/blockMesh/curvedEdges/polyLine.C b/src/mesh/blockMesh/curvedEdges/polyLine.C
index a3c05d34de..1d0e39d449 100644
--- a/src/mesh/blockMesh/curvedEdges/polyLine.C
+++ b/src/mesh/blockMesh/curvedEdges/polyLine.C
@@ -2,7 +2,7 @@
   =========                 |
   \\      /  F ield         | OpenFOAM: The Open Source CFD Toolbox
    \\    /   O peration     |
-    \\  /    A nd           | Copyright (C) 2011 OpenFOAM Foundation
+    \\  /    A nd           | Copyright (C) 2011-2015 OpenFOAM Foundation
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
 License
@@ -23,7 +23,6 @@ License
 
 \*---------------------------------------------------------------------------*/
 
-#include "error.H"
 #include "polyLine.H"
 
 // * * * * * * * * * * * * * Private Member Functions  * * * * * * * * * * * //
@@ -41,7 +40,7 @@ void Foam::polyLine::calcParam()
             param_[i] = param_[i-1] + mag(points_[i] - points_[i-1]);
         }
 
-        // normalize on the interval 0-1
+        // Normalize on the interval 0-1
         lineLength_ = param_.last();
         for (label i=1; i < param_.size() - 1; i++)
         {
@@ -85,7 +84,7 @@ Foam::label Foam::polyLine::nSegments() const
 
 Foam::label Foam::polyLine::localParameter(scalar& lambda) const
 {
-    // check endpoints
+    // Check endpoints
     if (lambda < SMALL)
     {
         lambda = 0;
@@ -97,22 +96,20 @@ Foam::label Foam::polyLine::localParameter(scalar& lambda) const
         return nSegments();
     }
 
-    // search table of cumulative distances to find which line-segment
-    // we are on. Check the upper bound.
+    // Search table of cumulative distances to find which line-segment
+    // we are on.
+    // Check the upper bound.
 
     label segmentI = 1;
     while (param_[segmentI] < lambda)
     {
         segmentI++;
     }
-    segmentI--;   // we want the corresponding lower bound
+    segmentI--;   // We want the corresponding lower bound
 
-    // the local parameter [0-1] on this line segment
+    // The local parameter [0-1] on this line segment
     lambda =
-    (
-        ( lambda - param_[segmentI] )
-      / ( param_[segmentI+1] - param_[segmentI] )
-    );
+        (lambda - param_[segmentI])/(param_[segmentI+1] - param_[segmentI]);
 
     return segmentI;
 }
@@ -120,7 +117,7 @@ Foam::label Foam::polyLine::localParameter(scalar& lambda) const
 
 Foam::point Foam::polyLine::position(const scalar mu) const
 {
-    // check endpoints
+    // Check end-points
     if (mu < SMALL)
     {
         return points_.first();
@@ -130,7 +127,6 @@ Foam::point Foam::polyLine::position(const scalar mu) const
         return points_.last();
     }
 
-
     scalar lambda = mu;
     label segment = localParameter(lambda);
     return position(segment, lambda);
@@ -143,7 +139,7 @@ Foam::point Foam::polyLine::position
     const scalar mu
 ) const
 {
-    // out-of-bounds
+    // Out-of-bounds
     if (segment < 0)
     {
         return points_.first();
@@ -156,7 +152,7 @@ Foam::point Foam::polyLine::position
     const point& p0 = points()[segment];
     const point& p1 = points()[segment+1];
 
-    // special cases - no calculation needed
+    // Special cases - no calculation needed
     if (mu <= 0.0)
     {
         return p0;
@@ -167,8 +163,8 @@ Foam::point Foam::polyLine::position
     }
     else
     {
-        // linear interpolation
-        return points_[segment] + mu * (p1 - p0);
+        // Linear interpolation
+        return points_[segment] + mu*(p1 - p0);
     }
 }
 
diff --git a/src/mesh/blockMesh/gradingDescriptor/gradingDescriptors.C b/src/mesh/blockMesh/gradingDescriptor/gradingDescriptors.C
index 5284deacc0..6e6418af3d 100644
--- a/src/mesh/blockMesh/gradingDescriptor/gradingDescriptors.C
+++ b/src/mesh/blockMesh/gradingDescriptor/gradingDescriptors.C
@@ -47,7 +47,7 @@ Foam::gradingDescriptors Foam::gradingDescriptors::inv() const
 
     forAll(ret, i)
     {
-        ret[i] = operator[](i).inv();
+        ret[i] = operator[](ret.size() - i - 1).inv();
     }
 
     return ret;