[pim] Ref. on LW-MLDv2
diff --git a/pimd/TODO b/pimd/TODO
index 7a2ca0b..6ed98c0 100644
--- a/pimd/TODO
+++ b/pimd/TODO
@@ -350,6 +350,7 @@
     # 
 
 T40 Lightweight MLDv2
+    http://tools.ietf.org/html/draft-ietf-mboned-lightweight-igmpv3-mldv2-05
     http://www.ietf.org/internet-drafts/draft-ietf-mboned-lightweight-igmpv3-mldv2-05.txt
     http://www.ietf.org/html.charters/mboned-charter.html