--- bin/dtd2XMLRules.pl
+++ bin/dtd2XMLRules.pl
@@ -1,3 +1,5 @@
+#!/usr/bin/perl
+
 use strict;
 use XML::Rules;
 use Data::Dumper;
--- bin/xml2XMLRules.pl
+++ bin/xml2XMLRules.pl
@@ -1,3 +1,5 @@
+#!/usr/bin/perl
+
 use strict;
 use XML::Rules;
 use Data::Dumper;
@@ -12,4 +14,4 @@ if (!@ARGV) {
 
 local $Data::Dumper::Terse = 1;
 local $Data::Dumper::Indent = 1;
-print Dumper(XML::Rules::inferRulesFromExample( @ARGV));
\ No newline at end of file
+print Dumper(XML::Rules::inferRulesFromExample( @ARGV));