diff --git a/source b/source
index 1034bc5fd38..716abe83779 100644
--- a/source
+++ b/source
@@ -108066,6 +108066,11 @@ 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