diff --git a/perl/Makefile.PL b/perl/Makefile.PL
index dc74d237..ac83f72c 100644
--- a/perl/Makefile.PL
+++ b/perl/Makefile.PL
@@ -1,6 +1,7 @@
 use inc::Module::Install;
 name 'Data-MessagePack';
 all_from 'lib/Data/MessagePack.pm';
+readme_from 'lib/Data/MessagePack.pm';
 
 perl_version '5.008005';
 license 'perl';
diff --git a/perl/lib/Data/MessagePack.pm b/perl/lib/Data/MessagePack.pm
index 2ab33f16..dde73024 100644
--- a/perl/lib/Data/MessagePack.pm
+++ b/perl/lib/Data/MessagePack.pm
@@ -44,6 +44,12 @@ Pack the string as int when the value looks like int(EXPERIMENTAL).
 
 Tokuhiro Matsuno
 
+=head1 LICENSE
+
+This library is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.
+
+
 =head1 SEE ALSO
 
 L<http://msgpack.sourceforge.jp/>