diff --git a/storage-access.bs b/storage-access.bs
index 81e4f4b..560c8a1 100644
--- a/storage-access.bs
+++ b/storage-access.bs
@@ -399,10 +399,10 @@ The Storage Access API defines a [=powerful feature=] identified by the [=powerf
   </dd>
   <dt>[=powerful feature/permission key generation algorithm=]</dt>
   <dd>
-    To generate a new [=permission key=] for the "<a permission><code>storage-access</code></a>" feature, given an [=environment settings object=] |settings|, run the following steps:
+    To generate a new [=permission key=] for the "<a permission><code>storage-access</code></a>" feature, given an [=/origin=] |origin| and [=/origin=] |embeddedOrigin|:
 
-    1. Let |topLevelSite| be the result of [=obtain a site|obtaining a site=] from |settings|' [=environment/top-level origin=].
-    1. Let |embeddedSite| be the result of [=obtain a site|obtaining a site=] from |settings|' [=environment settings object/origin=].
+    1. Let |topLevelSite| be the result of [=obtain a site|obtaining a site=] from |origin|.
+    1. Let |embeddedSite| be the result of [=obtain a site|obtaining a site=] from |embeddedOrigin|.
     1. Return (|topLevelSite|, |embeddedSite|).
   </dd>
   <dt>[=powerful feature/permission key comparison algorithm=]</dt>