diff --git a/source b/source
index c99f8d6004d..24d3c229ee5 100644
--- a/source
+++ b/source
@@ -77987,7 +77987,7 @@ interface <dfn interface>VisibilityStateEntry</dfn> : <span>PerformanceEntry</sp
 
    <li><p><span data-x="list iterate">For each</span> <var>window</var> in <var>windows</var>, set
    <var>window</var>'s <span>last history-action activation timestamp</span> to <var>window</var>'s
-   <var>window</var>'s <span>last activation timestamp</span>.</p></li>
+   <span>last activation timestamp</span>.</p></li>
   </ol>
 
   <p class="note">Note the asymmetry in the sets of <span data-x="browsing context">browsing