Index: trunk/Mars/msim/MPhotonData.cc
===================================================================
--- trunk/Mars/msim/MPhotonData.cc	(revision 19532)
+++ trunk/Mars/msim/MPhotonData.cc	(revision 19533)
@@ -261,5 +261,5 @@
 
     if (f[0]!=1)
-        cout << "WARNING - Bunch size !=1 (" << f[0] << ")" <<endl;
+        cout << "MPhotonData::FillCorsika: WARNING - Bunch size !=1 (" << f[0] << ")" <<endl;
 
 #ifdef __MMCS__
@@ -347,5 +347,5 @@
 
     if (f[0]!=1)
-        cout << "WARNING - Bunch size !=1 (" << f[0] << ")" <<endl;
+        cout << "MPhotonData::FillCorsikaThin: WARNING - Bunch size !=1 (" << f[0] << ")" <<endl;