--- MITgcm/verification/tutorial_cfc_offline/input/data.ptracers	2005/10/03 14:08:20	1.1
+++ MITgcm/verification/tutorial_cfc_offline/input/data.ptracers	2013/07/11 22:55:16	1.2
@@ -1,10 +1,9 @@
  &PTRACERS_PARM01
  PTRACERS_numInUse=2,
  PTRACERS_Iter0= 4248000,
-#
-# The following option is now obsolete:
-#  PTRACERS_write_mnc=.TRUE.,
-#
+# for verification:
+ PTRACERS_monitorFreq=43200.,
+#- for each tracers:
 # tracer 1 - dic
  PTRACERS_names(1)='cfc11',
  PTRACERS_long_names(1)='CFC11',