--- DupCheck.pl	2005/08/16 20:32:25	1.1
+++ DupCheck.pl	2005/09/09 14:49:24	1.2
@@ -1,9 +1,12 @@
 #!/usr/bin/perl -w
 
-=head1 DupCheck
+=head1 Duplicate Key Check
+
+C<DupCheck> [I<options>] I<keySize> I<fileName>
 
 Find duplicate keys in a sorted file. The first parameter is the number of fields in
-the key, the second is the name of the file to examine.
+the key, the second is the name of the file to examine. The goal is to be able to
+determine exactly where in the file the duplicate keys exist.
 
 The currently-supported command-line options are as follows.