diff --git a/i2p2www/spec/common-structures.rst b/i2p2www/spec/common-structures.rst
index 957c105b..f9ee9f1c 100644
--- a/i2p2www/spec/common-structures.rst
+++ b/i2p2www/spec/common-structures.rst
@@ -1879,9 +1879,15 @@ References
 .. [I2NP]
     {{ site_url('docs/protocol/i2np', True) }}
 
+.. [NAMING]
+    {{ site_url('docs/naming', True) }}
+
 .. [NETDB-ROUTERINFO]
     {{ site_url('docs/how/network-database', True) }}#routerInfo
 
+.. [REGISTRY]
+    http://www.dns-sd.org/ServiceTypes.html
+
 .. [SSU]
     {{ site_url('docs/transport/ssu', True) }}