TUT: minor update to div scheme test

tutorials/verificationAndValidation/schemes/divergenceExample/Allrun

@@ -8,7 +8,7 @@ runApplication blockMesh
 
 cat system/schemesToTest | while read scheme
 do
-    echo "Updating fvSchmes to use $scheme"
+    echo "Updating fvSchemes to use $scheme"
     sed "s/DIVSCHEME/$scheme/g" system/fvSchemes.template > system/fvSchemes
 
     # Create a sanitised name for the scheme - remove 'special' characters

tutorials/verificationAndValidation/schemes/divergenceExample/system/schemesToTest

@@ -2,7 +2,7 @@ limitedLinear 0.2
 limitedLinear 1.0
 linear
 linearUpwind grad(U)
-LUST
+LUST grad(U)
 midPoint
 Minmod
 MUSCL