diff --git a/source b/source
index e64c6583633..95bfccb7b6c 100644
--- a/source
+++ b/source
@@ -96843,9 +96843,9 @@ interface <dfn interface>NotRestoredReasons</dfn> {
   are <span data-x="top-level traversable">top-level traversables</span>. Future proposals envision
   introducing non-top-level traversables.</p>
 
-  <p>A user agent holds a <dfn>top-level traversable set</dfn> (a <span>set</span> of <span
-  data-x="top-level traversable">top-level traversables</span>). These are typically presented to
-  the user in the form of browser windows or browser tabs.</p>
+  <p>A user agent holds a <dfn export for="user agent">top-level traversable set</dfn> (a
+  <span>set</span> of <span data-x="top-level traversable">top-level traversables</span>). These are
+  typically presented to the user in the form of browser windows or browser tabs.</p>
 
   <p>To get the <dfn export for="navigable" data-x="nav-top">top-level traversable</dfn> of a
   <span>navigable</span> <var>inputNavigable</var>:</p>