Merge branch 'yhirano/coep' of https://github.com/whatwg/fetch into y…

…hirano/coep

fetch.bs

@@ -3184,7 +3184,7 @@ these steps:
 <p class="note no-backref">Only HTML's navigate algorithm uses this check with
 <var>forNavigation</var> set to true, and it's always for nested navigations. Otherwise,
 <var>response</var> is either the <a for=internal>internal response</a> of an
-<a>opaque filtered response</a> or a <a for=/>response</a> which will be the
+<a>opaque filtered response</a>, or a <a for=/>response</a> which will be the
 <a for=internal>internal response</a> of an
 <a>opaque filtered response</a>. [[HTML]]
 
@@ -3677,8 +3677,8 @@ optionally with a <i>recursive flag</i>, run these steps:
   <p>If <var>internalResponse</var>'s <a for=response>URL list</a> <a for=list>is empty</a>, then
   set it to a <a for=list>clone</a> of <var>request</var>'s <a for=request>URL list</a>.
 
-  <p class=note>A <a for=/>response</a>'s <a for=response>URL list</a> can be empty when it's for
-  "<code>about</code>" URLs for example.
+  <p class=note>A <a for=/>response</a>'s <a for=response>URL list</a> can be empty (for example,
+  when the response represents an "<code>about</code>" URL).
  <!-- If you are ever tempted to move this around, carefully consider responses from about URLs,
       blob URLs, service workers, HTTP cache, HTTP network, etc. -->