diff --git a/lib/Travel/Routing/DE/VRR.pm b/lib/Travel/Routing/DE/VRR.pm
index 0f38f9d5cc701254cb9dbe6a0f95386c5ea0cb4b..e2dcce0044a4191a6518d9b37d3de9274e44d575 100644
--- a/lib/Travel/Routing/DE/VRR.pm
+++ b/lib/Travel/Routing/DE/VRR.pm
@@ -846,6 +846,8 @@ It is best not to pass Unicode characters to B<Travel::Routing::DE::VRR>.
 
 =item * Travel::Routing::DE::VRR::Route(3pm)
 
+=item * L<WWW::EFA> is another implementation, using L<Moose>.
+
 =back
 
 =head1 AUTHOR