diff --git a/src/pages/docs.html b/src/pages/docs.html
index fbbc1fd..cba5d64 100644
--- a/src/pages/docs.html
+++ b/src/pages/docs.html
@@ -94,7 +94,7 @@
 
   <h3>Prerequisites</h3>
 
-  <p>You just need to be familiar with <a href="https://www.w3schools.com/html/html_editors.asp" target="_blank">HTML</a> and <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript" target="_blank">JavaScript basics</a>.</p>
+  <p>You just need to be familiar with <a href="https://developer.mozilla.org/en-US/docs/Web/HTML" target="_blank">HTML</a> and <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/A_re-introduction_to_JavaScript" target="_blank">JavaScript basics</a>.</p>
 
   <h3>Setting up</h3>
 
@@ -387,7 +387,7 @@
 
   <div>
     <pre data-line="9-13,18">
-      <code class="language-javascript">
+      <code class="language-markup">
       &#x3C;!-- application code --&#x3E;
       &#x3C;script type=&#x22;text/javascript&#x22;&#x3E;