diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.H b/src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.H
index 2c08e57162..7ccef0cc9b 100644
--- a/src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.H
+++ b/src/finiteVolume/finiteVolume/snGradSchemes/orthogonalSnGrad/orthogonalSnGrad.H
@@ -25,7 +25,8 @@ Class
     Foam::fv::orthogonalSnGrad
 
 Description
-    Simple central-difference snGrad scheme without non-orthogonal correction.
+    Simple central-difference snGrad scheme using the cell-centre to cell-centre
+    delta-coefficients.
 
 SourceFiles
     orthogonalSnGrad.C
diff --git a/src/finiteVolume/finiteVolume/snGradSchemes/uncorrectedSnGrad/uncorrectedSnGrad.H b/src/finiteVolume/finiteVolume/snGradSchemes/uncorrectedSnGrad/uncorrectedSnGrad.H
index 9ed87c76d2..242780e291 100644
--- a/src/finiteVolume/finiteVolume/snGradSchemes/uncorrectedSnGrad/uncorrectedSnGrad.H
+++ b/src/finiteVolume/finiteVolume/snGradSchemes/uncorrectedSnGrad/uncorrectedSnGrad.H
@@ -25,7 +25,8 @@ Class
     Foam::fv::uncorrectedSnGrad
 
 Description
-    Simple central-difference snGrad scheme without non-orthogonal correction.
+    Simple central-difference snGrad scheme using the non-orthogonal mesh
+    delta-coefficients but without non-orthogonal correction.
 
 SourceFiles
     uncorrectedSnGrad.C