Fix bad variable references in speculation rules

These were introduced in c6314c8.

Author: domenic

source

@@ -64822,7 +64822,7 @@ document.body.append(script1, script2);
         <ol>
          <li><p>Let <var>result</var> be the result of <span data-x="create a speculation rules
          parse result">creating a speculation rules parse result</span> given <var>source text</var>
-         and <var>document</var>.</p></li>
+         and <var>el</var>'s <span>node document</span>.</p></li>
 
          <li><p><span>Mark as ready</span> <var>el</var> given <var>result</var>.</p></li>
         </ol>
@@ -114141,7 +114141,8 @@ dictionary <dfn dictionary>PromiseRejectionEventInit</dfn> : <span>EventInit</sp
    data-x="concept-document-window">associated <code>Document</code></span>'s <span
    data-x="document-sr-sets">speculation rule sets</span>.</p></li>
 
-   <li><p><span>Consider speculative loads</span> for <var>document</var>.</p></li>
+   <li><p><span>Consider speculative loads</span> for <var>global</var>'s <span
+   data-x="concept-document-window">associated <code>Document</code></span>.</p></li>
   </ol>
 
   <p>To <dfn>unregister speculation rules</dfn> given a <code>Window</code> <var>global</var> and a
@@ -114156,7 +114157,8 @@ dictionary <dfn dictionary>PromiseRejectionEventInit</dfn> : <span>EventInit</sp
    data-x="concept-document-window">associated <code>Document</code></span>'s <span
    data-x="document-sr-sets">speculation rule sets</span>.</p></li>
 
-   <li><p><span>Consider speculative loads</span> for <var>document</var>.</p></li>
+   <li><p><span>Consider speculative loads</span> for <var>global</var>'s <span
+   data-x="concept-document-window">associated <code>Document</code></span>.</p></li>
   </ol>
 
   <p>To <dfn>update speculation rules</dfn> given a <code>Window</code> <var>global</var>, a