diff --git a/geant4/LEMuSR/G4Modified/update.sh b/geant4/LEMuSR/G4Modified/update.sh
index 68393ec..83e673c 100644
--- a/geant4/LEMuSR/G4Modified/update.sh
+++ b/geant4/LEMuSR/G4Modified/update.sh
@@ -16,9 +16,6 @@ cp G4El_UsualEqRhs.cc    $G4INSTALL/source/geometry/magneticfield/src/
 cp G4El_UsualEqRhs.hh     $G4INSTALL/source/geometry/magneticfield/include/
 
 
-
-cp G4MultipleScattering52.cc $G4INSTALL/source/processes/electromagnetic/standard/src/
-
 cp G4VDecayChannel.cc    $G4INSTALL/source/particles/management/src/
 cp G4VDecayChannel.hh    $G4INSTALL/source/particles/management/include/
 cp G4MuonDecayChannel.cc    $G4INSTALL/source/particles/management/src/
@@ -34,10 +31,6 @@ cd $G4INSTALL/source/geometry/magneticfield/
 #gmake clean
 gmake
 
-cd $G4INSTALL/source/processes/electromagnetic/standard/
-#gmake clean
-gmake
-
 cd $G4INSTALL/source/particles/management/
 #gmake clean
 gmake
diff --git a/geant4/LEMuSR/include/LEMuSRMuonPhysics.hh b/geant4/LEMuSR/include/LEMuSRMuonPhysics.hh
index d4ff868..6892206 100644
--- a/geant4/LEMuSR/include/LEMuSRMuonPhysics.hh
+++ b/geant4/LEMuSR/include/LEMuSRMuonPhysics.hh
@@ -77,10 +77,8 @@ class LEMuSRMuonPhysics : public G4VPhysicsConstructor
   virtual void ConstructProcess();
 
   protected:
-  //! Muon physics
+  //! MuonPlus physics
   G4MuIonisation        fMuPlusIonisation;
-  //! Multiple scattering
-  G4MultipleScattering fMuoniumMultipleScattering;
   //! Multiple Scattering including Meyer'Algorithm: LEMuSRMSC
   LEMuSRMSC   fMuPlusMultipleScattering;
   G4MuBremsstrahlung     fMuPlusBremsstrahlung ;
@@ -91,6 +89,11 @@ class LEMuSRMuonPhysics : public G4VPhysicsConstructor
   LEMuSRMUONIUM fMuFormation;
   //! Depolarization process (not used yet)
   LEMuSRDepolarize fDepolarization;
+
+
+
+  //! MuonMinus physics
+
   G4MuIonisation         fMuMinusIonisation;
   G4MultipleScattering   fMuMinusMultipleScattering;
   G4MuBremsstrahlung     fMuMinusBremsstrahlung ;