Add a few more clues.

webtools/bugzilla/CHANGES

@@ -18,7 +18,8 @@ file.  This is the file that contains parameters you've set up on the
 editparams.cgi page.  Before changing to Perl, this was a tcl-syntax
 file, stored in the same directory as the code; after the change to
 Perl, it becomes a perl-syntax file, stored in a subdirectory named
-"data".
+"data".  See the README file for more details on what version of Perl
+you need.
 
 So, if updating from an older version of Bugzilla, you will need to
 edit data/param, change the email address listed for
@@ -27,6 +28,10 @@ and reset all the parameters to your taste.  Fortunately, your old
 params file will still be around, and so you ought to be able to
 cut&paste important bits from there.
 
+Also, note that the "whineatnews" script has changed name (it now has
+an extension of .pl instead of .tcl), so you'll need to change your
+cron job.
+