Index: trunk/MagicSoft/Mars/mfileio/MWriteRootFile.cc
===================================================================
--- trunk/MagicSoft/Mars/mfileio/MWriteRootFile.cc	(revision 4766)
+++ trunk/MagicSoft/Mars/mfileio/MWriteRootFile.cc	(revision 4817)
@@ -417,6 +417,6 @@
             {
                 *fLog << warn << endl;
-                *fLog << "WARNING:   You are updating an existing branch.  For this" << endl;
-                *fLog << "     case file-splitting mode is not allowed... disabled!" << endl;
+                *fLog << "WARNING: You are updating an existing branch. For this case" << endl;
+                *fLog << "         file-splitting mode  is  not  allowed...  disabled!" << endl;
                 *fLog << endl;
                 fSplitRule = "";
