Editorial: correct markup

Closes #1168.

fetch.bs

@@ -3351,7 +3351,7 @@ the request.
    <li><p>Let <var>record</var> be a new <a for="fetch group">fetch record</a> consisting of
    <var>request</var> and this instance of the <a for=/>fetch</a> algorithm.
 
-   <li><p>Append <var>record</var> to <var>request</var>'s a for=request>client</a>'s
+   <li><p>Append <var>record</var> to <var>request</var>'s <a for=request>client</a>'s
    <a for=fetch>fetch group</a> list of <a for="fetch group">fetch records</a>.
   </ol>