Index: trunk/MagicSoft/Mars/manalysis/MEventRateCalc.cc
===================================================================
--- trunk/MagicSoft/Mars/manalysis/MEventRateCalc.cc	(revision 9195)
+++ trunk/MagicSoft/Mars/manalysis/MEventRateCalc.cc	(revision 9270)
@@ -141,4 +141,8 @@
 }
 
+// --------------------------------------------------------------------------
+//
+// This resets the calculation whenever a new file is opened.
+//
 Bool_t MEventRateCalc::ReInit(MParList *pList)
 {