Index: trunk/MagicSoft/Mars/mhist/MHMcDifRate.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHMcDifRate.h	(revision 1303)
+++ trunk/MagicSoft/Mars/mhist/MHMcDifRate.h	(revision 1306)
@@ -37,5 +37,5 @@
     void Calc(const MHMcCollectionArea &cola, const TF1 &spect);
 
-    ClassDef(MHMcDifRate, 1)  // Histogram container for montecarlo energy threshold
+    ClassDef(MHMcDifRate, 1)  // Histogram container for differential trigger rate
 };
 
Index: trunk/MagicSoft/Mars/mhist/MHMcEfficiency.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHMcEfficiency.h	(revision 1303)
+++ trunk/MagicSoft/Mars/mhist/MHMcEfficiency.h	(revision 1306)
@@ -36,5 +36,5 @@
     void Calc(const MHMcEnergyImpact &mcsel, const MHMcEnergyImpact &mcall);
 
-    ClassDef(MHMcEfficiency, 1)  // Histogram container for montecarlo energy threshold
+    ClassDef(MHMcEfficiency, 1)  // Histogram container for 2D trigger efficiency
 };
 
Index: trunk/MagicSoft/Mars/mhist/MHMcEfficiencyEnergy.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHMcEfficiencyEnergy.h	(revision 1303)
+++ trunk/MagicSoft/Mars/mhist/MHMcEfficiencyEnergy.h	(revision 1306)
@@ -36,5 +36,5 @@
     void Calc(const MHMcEnergyImpact &mcsel, const MHMcEnergyImpact &mcall);
 
-    ClassDef(MHMcEfficiencyEnergy, 1)  // Histogram container for montecarlo energy threshold
+    ClassDef(MHMcEfficiencyEnergy, 1)  // Histogram container for 1D trigger efficiency in energy
 };
 
Index: trunk/MagicSoft/Mars/mhist/MHMcEfficiencyImpact.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHMcEfficiencyImpact.h	(revision 1303)
+++ trunk/MagicSoft/Mars/mhist/MHMcEfficiencyImpact.h	(revision 1306)
@@ -36,5 +36,5 @@
     void Calc(const MHMcEnergyImpact &mcsel, const MHMcEnergyImpact &mcall);
 
-    ClassDef(MHMcEfficiencyImpact, 1)  // Histogram container for montecarlo energy threshold
+    ClassDef(MHMcEfficiencyImpact, 1) // Histogram container for 1D trigger efficiency in impact
 };
 
Index: trunk/MagicSoft/Mars/mhist/MHMcEnergyImpact.h
===================================================================
--- trunk/MagicSoft/Mars/mhist/MHMcEnergyImpact.h	(revision 1303)
+++ trunk/MagicSoft/Mars/mhist/MHMcEnergyImpact.h	(revision 1306)
@@ -32,5 +32,5 @@
     TObject *DrawClone(Option_t* option = "") const;
 
-    ClassDef(MHMcEnergyImpact, 1)  // Histogram container for montecarlo energy threshold
+    ClassDef(MHMcEnergyImpact, 1)  // Histogram container for 2D histogram in Energy and Impact
 };