diff --git a/source b/source
index fb5fddc4ebf..7c2c68e5033 100644
--- a/source
+++ b/source
@@ -107188,6 +107188,11 @@ new PaymentRequest(…); // Allowed to use
    for="environment">execution ready flag</dfn></dt>
    <dd><p>A flag that indicates whether the environment setup is done. It is initially
    unset.</p></dd>
+
+   <dt>A <dfn data-x="concept-environment-has-storage-access" export
+    for="environment">has storage access</dfn></dt>
+    <dd><p>A boolean that indicates whether the environment has access to unpartitioned
+    cookies. It is initially false.</p></dd>
   </dl>
 
   <p>Specifications may define <dfn export>environment discarding steps</dfn> for environments. The