diff --git a/i2p2www/pages/site/docs/spec/common-structures.html b/i2p2www/pages/site/docs/spec/common-structures.html
index 4805121d9a511e5db64e8091bccf800e45e43c8a..e8441b1653b61d33d6c87a60c094b8ed0159af5c 100644
--- a/i2p2www/pages/site/docs/spec/common-structures.html
+++ b/i2p2www/pages/site/docs/spec/common-structures.html
@@ -278,7 +278,7 @@ A random number
 
 <h4><a href="http://docs.i2p-projekt.de/javadoc/net/i2p/data/SessionTag.html">Javadoc</a></h4>
 
-<h2 id="type_tunnelId">TunnelId</h2>
+<h2 id="type_TunnelId">TunnelId</h2>
 <h4>{% trans %}Description{% endtrans %}</h4>
 <p>{% trans -%}
 Defines an identifier that is unique to each router in a tunnel.