manually cite http-network fetch

Author: miketaylr

index.html

@@ -117,8 +117,8 @@ <h2>Network requests</h2>
 
       <p>
       A <dfn data-lt="network requests">network request</dfn> occurs when the
-      [=user agent=] attempts to [=HTTP-network fetch=] a resource over the
-      network for a given [=request=].
+      [=user agent=] attempts to <a data-cite="fetch#http-network-fetch">HTTP-network fetch</a>
+      a resource over the network for a given [=request=].
       </p>
 
       <p>