note --trackcalls flag in trace module
diff --git a/Misc/NEWS b/Misc/NEWS
index c51b74b..f2aa338 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -303,6 +303,9 @@
 Library
 -------
 
+- Added countcallers arg to trace.Trace class (--trackcalls command line arg
+  when run from the command prompt).
+
 - Fixed a caching bug in platform.platform() where the argument of 'terse' was
   not taken into consideration when caching value.