diff --git a/tts.html b/tts.html
index 2d0b04b..c1249f5 100644
--- a/tts.html
+++ b/tts.html
@@ -1,4 +1,5 @@
-<html lang="de">
+<!DOCTYPE html>
+<html lang="en">
   <head>
     <link href="./bootstrap.min.css" rel="stylesheet" />
     <title>TTS</title>
@@ -30,19 +31,19 @@
       <button id="resume" class="btn btn-info mt-4 me-2">Resume</button>
       <button id="cancel" class="btn btn-danger mt-4 me-2">Cancel</button>
     </div>
-  </body>
-  <script src="./tts.js"></script>
-  <script>
-    $(document).ready ( function(){
-      if (window.matchMedia) {
-        if(window.matchMedia('(prefers-color-scheme: dark)').matches){
-          $('body').addClass('bg-dark');
-          $('p').addClass('text-light');
-          $('select').addClass('text-light');
-          $('option').addClass('bg-dark');
-          $('span').addClass('text-light');
+    <script src="./tts.js"></script>
+    <script>
+      $(document).ready (function(){
+        if (window.matchMedia) {
+          if(window.matchMedia('(prefers-color-scheme: dark)').matches){
+            $('body').addClass('bg-dark');
+            $('p').addClass('text-light');
+            $('select').addClass('text-light');
+            $('option').addClass('bg-dark');
+            $('span').addClass('text-light');
+          }
         }
-      }
-    });
-    </script>
+      });
+      </script>
+    </body>
 </html>
