Update fetch.bs

Co-authored-by: Anne van Kesteren <[email protected]>

Author: noamr

fetch.bs

@@ -7175,8 +7175,8 @@ after redirects are handled.
 <ol>
  <li><p>If <var>document</var>' <a>node navigable</a>'s <a>container document</a> is null or a
  <a for=/>document</a> whose <a for=Document>origin</a> is not <a>same origin</a> with
- <var>document</var>, return <var>document</var>; Otherwise return the
- <a>deferred-fetch control document</a> given <var>document</var>' <a>node navigable</a>'s
+ <var>document</var>, then return <var>document</var>; otherwise, return the
+ <a>deferred-fetch control document</a> given <var>document</var>'s <a>node navigable</a>'s
  <a>container document</a>.
 </ol>
 </div>