Index: trunk/Mars/mcorsika/MCorsikaFormat.cc
===================================================================
--- trunk/Mars/mcorsika/MCorsikaFormat.cc	(revision 19318)
+++ trunk/Mars/mcorsika/MCorsikaFormat.cc	(revision 19319)
@@ -146,8 +146,8 @@
       case 1213486661 : // EVTH
          if (readState != 10)
-            blockType = 1202;
+            blockType = 1202;     // event header (where readstate := 2)
          else
             {
-            blockType = 1105;
+            blockType = 1105;              // raw data
             fIn->seekg(-4, ios::cur);
             blockLength += 4;
@@ -158,5 +158,5 @@
          break;
       default:          // the events, they don't have a specific header
-         blockType = 1105;
+         blockType = 1105;                  // raw data
          fIn->seekg(-4, ios::cur);
          blockLength += 4;