Editorial: use responsible document a little less

Helps with #4335.

source

@@ -86869,8 +86869,8 @@ interface <dfn>ApplicationCache</dfn> : <span>EventTarget</span> {
     <span>environment</span> is associated.</p>
 
     <p class="note">In the case of an <span>environment settings object</span>, this URL might be
-    distinct from the <span>environment settings object</span>'s <span>responsible
-    document</span>'s <span data-x="concept-document-url">URL</span>, due to mechanisms such as
+    distinct from the <span>environment settings object</span>'s <span
+    data-x="concept-environment-creation-url">creation URL</span>, due to mechanisms such as
     <code data-x="dom-history-pushstate">history.pushState()</code>.</p>
    </dd>
 
@@ -91741,8 +91741,8 @@ document.body.appendChild(frame)</code></pre>
    than 0, then throw an <span>"<code>InvalidStateError</code>"</span>
    <code>DOMException</code>.</p></li>
 
-   <li><p>Let <var>entryDocument</var> be the <span>responsible document</span> specified by the
-   <span>entry settings object</span>.</p></li>
+   <li><p>Let <var>entryDocument</var> be <span>entry global object</span>'s <span
+   data-x="concept-document-window">associated <code>Document</code></span>.</p></li>
 
    <li><p>If <var>document</var>'s <span>origin</span> is not <span>same origin</span> to
    <var>entryDocument</var>'s <span>origin</span>, then throw a
@@ -97574,8 +97574,8 @@ interface <dfn>BroadcastChannel</dfn> : <span>EventTarget</span> {
 
       <ul>
        <li><p>a <span data-x="concept-settings-object-global">global object</span> that is a
-       <code>Window</code> object and a <span>responsible document</span> that is <span>fully
-       active</span>, or</p></li>
+       <code>Window</code> object whose <span data-x="concept-document-window">associated
+       <code>Document</code></span> is <span>fully active</span>, or</p></li>
 
        <li><p>a <span data-x="concept-settings-object-global">global object</span> that is a
        <code>WorkerGlobalScope</code> object whose <span