diff --git a/tracy/tracy/inc/read_script.h b/tracy/tracy/inc/read_script.h
index 3db863c84d7bea83cd605e20121fbbaab150fc2f..d33994ba311c26902ed4aea0d5ba7dc67a9832c8 100644
--- a/tracy/tracy/inc/read_script.h
+++ b/tracy/tracy/inc/read_script.h
@@ -51,7 +51,8 @@
   //MomentumAccFlag;
    char TrackDim[3];
    long  _MomentumAccFlag_istart, _MomentumAccFlag_istop,
-         _MomentumAccFlag_nstepn, _MomentumAccFlag_nstepp;
+         _MomentumAccFlag_nstepn, _MomentumAccFlag_nstepp,
+         _MomentumAccFlag_nturn;
    double _MomentumAccFlag_deltaminn, _MomentumAccFlag_deltamaxn;
    double _MomentumAccFlag_deltaminp, _MomentumAccFlag_deltamaxp;
  
@@ -97,6 +98,7 @@
  _MomentumAccFlag_nstepn=100L, _MomentumAccFlag_nstepp=100L;
  _MomentumAccFlag_deltaminn=-0.01, _MomentumAccFlag_deltamaxn=-0.05;
  _MomentumAccFlag_deltaminp=0.01, _MomentumAccFlag_deltamaxp=0.05;
+ _MomentumAccFlag_nturn = 1026;
 
 /* Phase space */
  _Phase_X=0.0, _Phase_Px=0.0, _Phase_Y=0.0, _Phase_Py=0.0,
@@ -108,10 +110,9 @@
 /* fit tunes for full quadrupole*/
  targetnux = 0.0, targetnuz = 0.0;
 
-/* fit charomaticities*/
+/* fit chromaticities*/
  targetksix = 0.0, targetksiz = 0.0;
- 
- 
+
 };  
  
  };