Index: /trunk/tools/log_parsing/nebulous_activity.py
===================================================================
--- /trunk/tools/log_parsing/nebulous_activity.py	(revision 30665)
+++ /trunk/tools/log_parsing/nebulous_activity.py	(revision 30666)
@@ -82,5 +82,5 @@
     sys.stderr.write('  %d access_log files\n' % (len(accessFilenames)))
     for accessFilename in accessFilenames:
-        sys.stderr.write('\tFilename: %s\n', accessFilename)
+        sys.stderr.write('\tFilename: %s\n' % accessFilename)
     sys.stderr.write('### Building error log filenames list\n')
     errorFilenames = getFilenamesByPrefix(logDirectoryName, 
@@ -88,5 +88,5 @@
     sys.stderr.write('  %d error_log files\n' % (len(errorFilenames)))
     for errorFilename in errorFilenames:
-        sys.stderr.write('\tFilename: %s\n', errorFilename)
+        sys.stderr.write('\tFilename: %s\n' % errorFilename)
 
     accessCounts = dict()