diff --git a/html/header.html b/html/header.html
index 36198de..4e06a24 100644
--- a/html/header.html
+++ b/html/header.html
@@ -29,26 +29,26 @@
 
 <pre class="line-numbers language-html">
 <code class="language-html">&lt;head&gt;
-&lt;meta charset=&quot;UTF-8&quot;&gt;
-&lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;
-&lt;meta name=&quot;description&quot; content=&quot;Die HTML - HEADER Struktur in Webseiten&quot;&gt;
-&lt;meta name=&quot;robots&quot; content=&quot;index,follow&quot;&gt;
-&lt;meta name=&quot;author&quot; content=&quot;Mein Name&quot;&gt;
-&lt;link rel=&quot;shortcut icon&quot; href=&quot;favicon.ico&quot; type=&quot;image/x-icon&quot;&gt;
-&lt;link rel=&quot;stylesheet&quot; href=&quot;../css/style.css&quot;&gt;
-&lt;title&gt;Der HEADER in der HTML Struktur&lt;/title&gt;
+  &lt;meta charset=&quot;UTF-8&quot;&gt;
+  &lt;meta name=&quot;viewport&quot; content=&quot;width=device-width, initial-scale=1.0&quot;&gt;
+  &lt;meta name=&quot;description&quot; content=&quot;Die HTML - HEADER Struktur in Webseiten&quot;&gt;
+  &lt;meta name=&quot;robots&quot; content=&quot;index,follow&quot;&gt;
+  &lt;meta name=&quot;author&quot; content=&quot;Mein Name&quot;&gt;
+  &lt;link rel=&quot;shortcut icon&quot; href=&quot;favicon.ico&quot; type=&quot;image/x-icon&quot;&gt;
+  &lt;link rel=&quot;stylesheet&quot; href=&quot;../css/style.css&quot;&gt;
+  &lt;title&gt;Der HEADER in der HTML Struktur&lt;/title&gt;
 &lt;/head&gt;
 </code>
 </pre>
     </article>
 
-    <aside>
+    <article>
       <h2>Artikel 2</h2>
       <p>Diese Seite enthält zunächst die Struktur und wenig Inhalt.<br>
         Das <strong>Bild</strong> erhält ein <strong>title</strong> und ein <strong>alt Attribut</strong>. Die
         <strong>Links</strong> erhalten ein <strong>title Attribut</strong>.
       </p>
-    </aside>
+    </article>
   </main>
 
   <footer>