--- CBOR-XS/doc/value-sharing.pod	2016/12/27 21:18:51	1.6
+++ CBOR-XS/doc/value-sharing.pod	2016/12/27 21:21:15	1.7
@@ -152,13 +152,16 @@
          d8 1d # tag(29)
             00 # unsigned(0)
 
-=head2 IMPLEMENTATIONS
+=head1 IMPLEMENTATIONS
 
-This section lists known implementations of this extension (drop me a mail
-if you want to be listed here).
+This section lists known implementations of this extension (L<drop me a
+mail|mailto:cbor@schmorp.de?Subject=CBOR-value-sharing> if you want to be
+listed here).
 
 =over 4
 
-=item * [Perl] L<CBOR::XS|http://software.schmorp.de/pkg/CBOR-XS.html>
+=item * [Perl] L<CBOR::XS|http://software.schmorp.de/pkg/CBOR-XS.html> (reference implementation)
+
+=item * [JavaScript] L<borc-refs|https://github.com/sandhawke/borc-refs>
 
 =back