minor program doc change

google-civic-api-pl

@@ -51,7 +51,8 @@ if ( $ARGV[2] ) {
     $emailArg = $ARGV[2];
 }
 
-# Open roster file .. hopefully columns remain the same
+# Open roster file .. hopefully columns remain the same,
+# but @fields can be adjusted as required.
 my $file;
 $file = $ARGV[1];
 my $fh;