diff --git a/index.html b/index.html
index 4e9e702..0e4de70 100644
--- a/index.html
+++ b/index.html
@@ -74,8 +74,8 @@
       "id": "x690"
     }
   },
-  "publishISODate": "2021-08-21T00:00:00.000Z",
-  "generatedSubtitle": "Editor's Draft 21 August 2021"
+  "publishISODate": "2021-09-02T00:00:00.000Z",
+  "generatedSubtitle": "Editor's Draft 02 September 2021"
 }</script><link rel="stylesheet" href="https://www.w3.org/StyleSheets/TR/2016/W3C-ED"></head>
 
   <body class="h-entry" data-cite="WebIDL html dom webidl"><div class="head">
@@ -83,7 +83,7 @@
     
     <h2>
       W3C Editor's Draft
-      <time class="dt-published" datetime="2021-08-21">21 August 2021</time>
+      <time class="dt-published" datetime="2021-09-02">02 September 2021</time>
     </h2>
     <dl>
       <dt>This version:</dt><dd>
@@ -14405,7 +14405,7 @@ <h3 id="x31-4-operations"><bdi class="secno">31.4 </bdi>Operations<a class="self
               <ol>
                 <li>
                   <p>
-                    If <var>length</var> is null or is not a multiple of 8, then <a data-type="dfn" href="https://heycam.github.io/webidl/#dfn-throw">throw</a> an <a data-type="exception" href="https://heycam.github.io/webidl/#operationerror"><code>OperationError</code></a>.
+                    If <var>length</var> is null or zero, or is not a multiple of 8, then <a data-type="dfn" href="https://heycam.github.io/webidl/#dfn-throw">throw</a> an <a data-type="exception" href="https://heycam.github.io/webidl/#operationerror"><code>OperationError</code></a>.
                   </p>
                 </li>
                 <li>
@@ -14639,7 +14639,7 @@ <h3 id="x32-4-operations"><bdi class="secno">32.4 </bdi>Operations<a class="self
               <ol>
                 <li>
                   <p>
-                    If <var>length</var> is null or is not a multiple of 8, then <a data-type="dfn" href="https://heycam.github.io/webidl/#dfn-throw">throw</a> an <a data-type="exception" href="https://heycam.github.io/webidl/#operationerror"><code>OperationError</code></a>.
+                    If <var>length</var> is null or zero, or is not a multiple of 8, then <a data-type="dfn" href="https://heycam.github.io/webidl/#dfn-throw">throw</a> an <a data-type="exception" href="https://heycam.github.io/webidl/#operationerror"><code>OperationError</code></a>.
                   </p>
                 </li>
                 <li>
