Modify initialize document's CSP list to match changes in CSP

See w3c/webappsec-csp#364 for more details.

source

@@ -82459,9 +82459,9 @@ interface <dfn>Location</dfn> { // but see also <a href="#the-location-interface
      `<code>Referrer-Policy</code>` header</span> of <var>response</var>. <ref
      spec="REFERRERPOLICY"></p></li>
 
-     <li><p>Execute the <span>Initialize a <code data-x="">Document</code>'s CSP list</span>
-     algorithm on the <code>Document</code> object and the <span
-     data-x="concept-response">response</span> used to generate the document. <ref spec="CSP"></p>
+     <li><p>Run the <span>Initialize a <code data-x="">Document</code>'s CSP list</span>
+     algorithm with the <code>Document</code> object, <var>response</var>, and
+     <var>request</var>, as parameters. <ref spec="CSP"></p>
 
      <li>
       <p>If <var>request</var> is non-null, then set <span>the document's referrer</span> to the