diff --git a/source b/source
index 90c6259281b..2484ef395f1 100644
--- a/source
+++ b/source
@@ -118859,7 +118859,7 @@ document.querySelector("button").addEventListener("click", bound);
    data-x="concept-settings-object-module-map">module map</span>.</p></li>
 
    <li><p>If <var>moduleMap</var>[(<var>url</var>, <var>moduleType</var>)] is a
-   <span>module script</span> or null, run <var>onComplete</var> given
+   <span>module script</span>, run <var>onComplete</var> given
    <var>moduleMap</var>[(<var>url</var>, <var>moduleType</var>)], and return.</p></li>
 
    <li><p>If <var>moduleMap</var>[(<var>url</var>, <var>moduleType</var>)] is a <span>list</span>,
@@ -121962,8 +121962,8 @@ dictionary <dfn dictionary>PromiseRejectionEventInit</dfn> : <span>EventInit</sp
   The <span>URL record</span> is the <span data-x="concept-request-url">request URL</span> at which
   the module was fetched, and the <span>string</span> indicates the type of the module (e.g. "<code
   data-x="">javascript-or-wasm</code>"). The <span>module map</span>'s values are either a <span>module
-  script</span>, null (used to represent a mismatched <span>MIME type</span>), or a
-  <span>list</span> of algorithms (that are waiting for the fetch to complete).</span> <span
+  script</span> or a <span>list</span> of algorithms (that are waiting for the fetch to
+  complete).</span> <span
   data-x="module map">Module maps</span> are used to ensure that imported module scripts are only
   fetched, parsed, and evaluated once per <code>Document</code> or <a
   href="#workers">worker</a>.</p>