Fix build (#420)

Author: tunetheweb

prefetch.bs

@@ -670,7 +670,7 @@ Modify the [=snapshot source snapshot params=] algorithm to set the return value
                 <div class="note">In practice, this means that cross-site prefetches will abandon rather than expose more information about the referrer URL than the origin.</div>
             1. If |request| cannot be fetched given |prefetchRecord|'s [=prefetch record/anonymization policy=] for an [=implementation-defined=] reason, then set |response| to a [=network error=] and [=iteration/break=].
 
-                <div class="note">This explicitly acknowledges that implementations might have additional restrictions. For instance, anonymized traffic might not be possible to some hosts, such as those that are not publicly routable and those that have <a href="https://buettner.github.io/private-prefetch-proxy/traffic-advice.html">traffic advice</a> declining private prefetch traffic.
+                <div class="note">This explicitly acknowledges that implementations might have additional restrictions. For instance, anonymized traffic might not be possible to some hosts, such as those that are not publicly routable and those that have <a href="https://buettner.github.io/private-prefetch-proxy/traffic-advice.html">traffic advice</a> declining private prefetch traffic.</div>
             1. [=list/Append=] a new [=exchange record=] whose [=exchange record/request=] is |request| and [=exchange record/response=] is null to |prefetchRecord|'s [=prefetch record/redirect chain=].
         1. Set |response| to null.
         1. If |fetchController| is null, then set |fetchController| to the result of [=fetching=] |request|, with <i>[=fetch/processEarlyHintsResponse=]</i> set to |processEarlyHintsResponse| as defined below, <i>[=fetch/processResponse=]</i> set to |processResponse| as defined below, and <i>[=fetch/useParallelQueue=]</i> set to true.