Index: /trunk/MagicSoft/Mars/Changelog
===================================================================
--- /trunk/MagicSoft/Mars/Changelog	(revision 1305)
+++ /trunk/MagicSoft/Mars/Changelog	(revision 1306)
@@ -16,4 +16,5 @@
    * mdata/MDataChain.cc, mdata/MDataList.cc:
      - changed logging output
+     - documentation added
 
    * mdata/MDataList.h, mdata/MDataMember.h, mdata/MDataValue.h:
@@ -26,4 +27,9 @@
    * mdata/MDataValue.cc:
      - documentation added
+
+   * mhist/MHMcDifRate.h, mhist/MHMcEfficiency.h, 
+     mhist/MHMcEfficiencyEnergy.h, mhist/MHMcEfficiencyImpact.h, 
+     mhist/MHMcEnergyImpact.h:
+     - corrected class description
 
 
Index: /trunk/MagicSoft/Mars/mhist/MHMcDifRate.h
===================================================================
--- /trunk/MagicSoft/Mars/mhist/MHMcDifRate.h	(revision 1305)
+++ /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 1305)
+++ /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 1305)
+++ /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 1305)
+++ /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 1305)
+++ /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
 };