diff --git a/tutorials/incompressible/simpleFoam/turbineSiting/constant/RASProperties b/tutorials/incompressible/simpleFoam/turbineSiting/constant/RASProperties
index 4e7382cf5e..e8f2fd5022 100644
--- a/tutorials/incompressible/simpleFoam/turbineSiting/constant/RASProperties
+++ b/tutorials/incompressible/simpleFoam/turbineSiting/constant/RASProperties
@@ -25,10 +25,11 @@ kEpsilonCoeffs
     Cmu         0.09;
     C1          1.44;
     C2          1.92;
-    C3          -0.33;
-    sigmak      1.0;
     sigmaEps    1.11; //Original value:1.44
-    Prt         1.0;
+    //NOTE: See "On the use of the k-Epsilon model in commercial CFD software
+    // to model the neutral atmospheric boundary layer". J. of wind engineering
+    // and inductrial aerodymanics 95(2007) 355-269 by
+    // D.M. Hargreaves and N.G. Wright
 }
 
 // ************************************************************************* //