diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/cyclic/cyclicFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/cyclic/cyclicFvPatch.C
index e88c0617d..d756175dd 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/cyclic/cyclicFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/cyclic/cyclicFvPatch.C
@@ -46,7 +46,7 @@ void cyclicFvPatch::makeWeights(scalarField& w) const
     const scalarField& magFa = magSf();
 
     // Note: mag in the dot-product.
-    // For all valid meshes, the non-orthogonality will be less that
+    // For all valid meshes, the non-orthogonality will be less than
     // 90 deg and the dot-product will be positive.  For invalid
     // meshes (d & s <= 0), this will stabilise the calculation
     // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/cyclicGgi/cyclicGgiFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/cyclicGgi/cyclicGgiFvPatch.C
index 8ca21308b..7cf818939 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/cyclicGgi/cyclicGgiFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/cyclicGgi/cyclicGgiFvPatch.C
@@ -55,7 +55,7 @@ void Foam::cyclicGgiFvPatch::makeWeights(scalarField& w) const
         vectorField n = nf();
 
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/ggi/ggiFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/ggi/ggiFvPatch.C
index 1e55bea85..5d8803c20 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/ggi/ggiFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/ggi/ggiFvPatch.C
@@ -65,7 +65,7 @@ void Foam::ggiFvPatch::makeWeights(scalarField& w) const
         vectorField n = nf();
 
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/mixingPlane/mixingPlaneFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/mixingPlane/mixingPlaneFvPatch.C
index ec24a6fa2..5ffa52042 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/mixingPlane/mixingPlaneFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/mixingPlane/mixingPlaneFvPatch.C
@@ -64,7 +64,7 @@ void Foam::mixingPlaneFvPatch::makeWeights(scalarField& w) const
         vectorField n = nf();
 
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/overlapGgi/overlapGgiFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/overlapGgi/overlapGgiFvPatch.C
index a33e7f8dd..0b7189937 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/overlapGgi/overlapGgiFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/overlapGgi/overlapGgiFvPatch.C
@@ -52,7 +52,7 @@ void Foam::overlapGgiFvPatch::makeWeights(scalarField& w) const
         vectorField n = nf();
 
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
index 9abf9ead9..75eb872eb 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/processor/processorFvPatch.C
@@ -47,7 +47,7 @@ void processorFvPatch::makeWeights(scalarField& w) const
         // The face normals point in the opposite direction on the other side
 
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/fvMesh/fvPatches/constraint/regionCouple/regionCoupleFvPatch.C b/src/finiteVolume/fvMesh/fvPatches/constraint/regionCouple/regionCoupleFvPatch.C
index 7d19bbf52..c84d5b9f1 100644
--- a/src/finiteVolume/fvMesh/fvPatches/constraint/regionCouple/regionCoupleFvPatch.C
+++ b/src/finiteVolume/fvMesh/fvPatches/constraint/regionCouple/regionCoupleFvPatch.C
@@ -62,7 +62,7 @@ void Foam::regionCoupleFvPatch::makeWeights(scalarField& w) const
             vectorField n = nf();
 
             // Note: mag in the dot-product.
-            // For all valid meshes, the non-orthogonality will be less that
+            // For all valid meshes, the non-orthogonality will be less than
             // 90 deg and the dot-product will be positive.  For invalid
             // meshes (d & s <= 0), this will stabilise the calculation
             // but the result will be poor.  HJ, 24/Aug/2011
diff --git a/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C b/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
index ce4ca6ed8..a07f90cd2 100644
--- a/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
+++ b/src/finiteVolume/interpolation/surfaceInterpolation/surfaceInterpolation/surfaceInterpolation.C
@@ -171,7 +171,7 @@ void Foam::surfaceInterpolation::makeWeights() const
     forAll (owner, facei)
     {
         // Note: mag in the dot-product.
-        // For all valid meshes, the non-orthogonality will be less that
+        // For all valid meshes, the non-orthogonality will be less than
         // 90 deg and the dot-product will be positive.  For invalid
         // meshes (d & s <= 0), this will stabilise the calculation
         // but the result will be poor.