diff --git a/macros/CCEScan/ratioFit_spline.C b/macros/CCEScan/ratioFit_spline.C
index 694325b..530bb0f 100755
--- a/macros/CCEScan/ratioFit_spline.C
+++ b/macros/CCEScan/ratioFit_spline.C
@@ -24,7 +24,6 @@
 #include "../../include/incFuncROOT.h"
 #include "../../include/incDrawROOT.h"
 #include "../../include/incGraphROOT.h"
-
 #include "../../include/incIOROOT.h"
 
 
@@ -37,7 +36,10 @@
 #include "deplTool.h"
 
 
-
+// -d detector (TT/IT)
+// -l layer (TTaX,TTaU,TTbV,TTbX, T[1-3]{X1,U,V,X2})
+// -v number of summed up strips
+// -ns Do not save the value in the root file
 
 
 int voltageFit(int argc, char* argv[]);
@@ -89,7 +91,7 @@
   gStyle->SetTitleOffset(1.0,"X");
 
   const char* diskVar = std::getenv ("DISK");
-  const char* homeVar = std::getenv ("HOME");
+  const char* homeVar = std::getenv ("CCEHOME");
   
   int fill      = 1944;
   TString det("TT");
@@ -98,13 +100,13 @@
   bool notSave  = false;
   
   for (int i=1; i<argc; i++) {
-    if (strcmp(argv[i],"-d")==0 && i+1<argc) {
+    if (strcmp(argv[i],"-d")==0 && i+1<argc) { // Detector
       det = argv[++i];
-    }else if (strcmp(argv[i],"-l")==0 && i+1<argc) {
+    }else if (strcmp(argv[i],"-l")==0 && i+1<argc) { // Layer
       lay = argv[++i];
-    }else if (strcmp(argv[i],"-v")==0 && i+1<argc) {
+    }else if (strcmp(argv[i],"-v")==0 && i+1<argc) { // Number of strips
       val = std::atoi(argv[++i]);
-    }else if (strcmp(argv[i],"-ns")==0) {
+    }else if (strcmp(argv[i],"-ns")==0) { // Do not save
       notSave = true;
     }
   }
@@ -340,11 +342,12 @@
     
     // Scale them
     Info("voltageFit","#chi^{2}/ndf: %6.2f/%d",fu_volt->GetChisquare(),fu_volt->GetNDF());
+    /* Elena
     if (chi2ndf>0.000) {
       Info("voltageFit","scaling");
       vr_adc_err_corr*=TMath::Sqrt(chi2ndf);
     }
-    
+    */
     
     
     // Get new graph
@@ -378,12 +381,12 @@
       maxX = 250.0;
     }
         
-      
+    double maxY = 100.0;  // 50.0;
       
     mg_volt->Draw("A");
     mg_volt->GetXaxis()->SetLimits(0.0,maxX);
     mg_volt->GetXaxis()->SetTitle("#it{V}_{bias} [V]");
-    mg_volt->SetMaximum(50.0);
+    mg_volt->SetMaximum(maxY);
     mg_volt->SetMinimum(0.0);
     mg_volt->GetYaxis()->SetTitle("Max. signal height [ADC value]");