diff --git a/index.html b/index.html
index 8d56bcd..b266ca5 100644
--- a/index.html
+++ b/index.html
@@ -859,13 +859,13 @@ <h2>
         </p>
         <p>
           The <dfn>applicationServerKey</dfn> option is used by the <a>user agent</a> when
-          establishing a <a>subscription</a> with a <a>push service</a>. The
-          <code><a>applicationServerKey</a></code> option includes an elliptic curve public key for
-          an <a>application server</a>. This is the key that the <a>application server</a> will use
-          to authenticate itself when sending <a>push messages</a> to this <a>subscription</a> as
-          defined in [[!WEBPUSH-VAPID]]; the <a>push service</a> will reject any <a>push
-          message</a> unless the corresponding private key is used to generate an authentication
-          token.
+          establishing a <a>push subscription</a> with a <a>push service</a>. The
+          <code><a data-link-for="PushSubscriptionOptions">applicationServerKey</a></code> option
+          includes an elliptic curve public key for an <a>application server</a>. This is the key
+          that the <a>application server</a> will use to authenticate itself when sending <a>push
+          messages</a> to this <a>push subscription</a> as defined in [[!WEBPUSH-VAPID]]; the
+          <a>push service</a> will reject any <a>push message</a> unless the corresponding private
+          key is used to generate an authentication token.
         </p>
         <p>
           If present, the value of <a data-link-for=