diff --git a/source b/source
index fb5fddc4ebf..49ecfb10bb2 100644
--- a/source
+++ b/source
@@ -2688,6 +2688,7 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
        <li><dfn data-x="concept-request-user-activation" data-x-href="https://fetch.spec.whatwg.org/#request-user-activation">user-activation</dfn></li>
        <li><dfn data-x="concept-request-render-blocking" data-x-href="https://fetch.spec.whatwg.org/#request-render-blocking">render-blocking</dfn></li>
        <li><dfn data-x="concept-request-initiator-type" data-x-href="https://fetch.spec.whatwg.org/#request-initiator-type">initiator type</dfn></li>
+       <li><dfn data-x="concept-request-top-level-navigation-initiator-origin" data-x-href="https://fetch.spec.whatwg.org/#concept-request-top-level-navigation-initiator-origin">top-level navigation initiator origin</dfn></li>
        <li><dfn data-x-href="https://fetch.spec.whatwg.org/#concept-request-add-range-header">add a range header</dfn></li>
       </ul>
      </li>
@@ -102639,6 +102640,11 @@ location.href = '#foo';</code></pre>
     </dl>
    </li>
 
+   <li><p>If <var>navigable</var> is a <span>top-level traversable</span>, set <var>request</var>'s
+   <span data-x="concept-request-top-level-navigation-initiator-origin">top-level navigation
+   initiator origin</span> to <var>entry</var>'s <span data-x="she-document-state">document
+   state</span>'s <span data-x="document-state-initiator-origin">initiator origin</span></p></li>
+
    <li>
     <p>If <var>documentResource</var> is a <span>POST resource</span>, then:</p>