Index: /trunk/Mars/mcorsika/MCorsikaFormat.cc
===================================================================
--- /trunk/Mars/mcorsika/MCorsikaFormat.cc	(revision 19341)
+++ /trunk/Mars/mcorsika/MCorsikaFormat.cc	(revision 19342)
@@ -153,5 +153,5 @@
     blockVersion    = 0;
     blockIdentifier = 0;
-    blockLength     = fBlockLength/21 - 4;
+    blockLength     = fBlockLength/21 - 4;  // in bytes
 
     switch(blockHeader)