diff --git a/source b/source
index 75c3e2cbc6b..5ab9eeed844 100644
--- a/source
+++ b/source
@@ -6965,8 +6965,8 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
     </ol>
    </li>
 
-   <li><p>If <var>document</var>'s <span data-x="concept-document-url">URL</span> is
-   <code>about:blank</code> and <var>document</var>'s <span
+   <li><p>If <var>document</var>'s <span data-x="concept-document-url">URL</span> <span>matches
+   <code>about:blank</code></span> and <var>document</var>'s <span
    data-x="concept-document-about-base-url">about base URL</span> is non-null, then return
    <var>document</var>'s <span data-x="concept-document-about-base-url">about base URL</span>.</p></li>
 
@@ -96091,7 +96091,8 @@ location.href = '#foo';</code></pre>
      </li>
 
      <li>
-      <p>If <var>url</var> is <code>about:blank</code> or <code>about:srcdoc</code>, then:</p>
+      <p>If <var>url</var> <span>matches <code>about:blank</code></span> or
+      is <code>about:srcdoc</code>, then:</p>
 
       <ol>
        <li><p>Set <var>documentState</var>'s <span data-x="document-state-origin">origin</span> to