diff --git a/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/Allrun b/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/Allrun
index 8bd01b9e40..8c157c9225 100755
--- a/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/Allrun
+++ b/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/Allrun
@@ -6,7 +6,7 @@ cd ${0%/*} || exit 1                        # Run from this directory
 runApplication star4ToFoam -scale 1 \
     $FOAM_TUTORIALS/resources/geometry/nacaAirfoil/nacaAirfoil
 
-# Symmetry plane -> empy
+# Symmetry plane -> empty
 sed -i -e 's/symmetry\([)]*;\)/empty\1/' constant/polyMesh/boundary
 
 # Don't need these extra files (from star4ToFoam conversion)
diff --git a/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/system/fvSchemes b/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/system/fvSchemes
index 2bc6208fae..b8ec875991 100644
--- a/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/system/fvSchemes
+++ b/tutorials/compressible/sonicFoam/RAS/nacaAirfoil/system/fvSchemes
@@ -23,6 +23,7 @@ ddtSchemes
 gradSchemes
 {
     default         Gauss linear;
+    grad(U)         cellLimited Gauss linear 1;
 }
 
 divSchemes