diff --git a/dune/microstructure/CorrectorComputer.hh b/dune/microstructure/CorrectorComputer.hh
index cb0defd2fdbbe0c32788e5ef19b155c0ea6ab599..34917870853d2540a9221770afee63927feb3a21 100644
--- a/dune/microstructure/CorrectorComputer.hh
+++ b/dune/microstructure/CorrectorComputer.hh
@@ -474,7 +474,7 @@ public:
 
       // Determine a suitable quadrature rule
       const auto& localFiniteElement = localView.tree().child(0).finiteElement();
-      int orderQR = 2*(dim*localFiniteElement.localBasis().order()-1);
+      int orderQR = 2*(dim*localFiniteElement.localBasis().order()-1);  // order = 4 with 27 Gauss-Points
       const auto& quadRule = Dune::QuadratureRules<double,dim>::rule(element.type(), orderQR);
 
       // Determine the material phase at each quadrature point