diff --git a/webseite/topicEditor.php b/webseite/topicEditor.php
index a10aa20..fb0a55c 100644
--- a/webseite/topicEditor.php
+++ b/webseite/topicEditor.php
@@ -233,13 +233,13 @@ if($_SERVER['REQUEST_METHOD'] == 'POST') {
         <div>
             <div class="mb-6">
                 <div class="flex justify-between items-center mb-2">
-                    <label class="block text-sm font-medium text-gray-700">Bildungsinhalt</label>
+                    <label class="block text-sm font-medium text-gray-700">Erklärtext</label>
                     <div class="flex gap-2">
-                        <button type="button" onclick="editor.undo()"
+                        <button type="button" onclick="undo()"
                                 class="text-gray-500 hover:text-gray-700 p-1">
                             <i class="fas fa-undo"></i>
                         </button>
-                        <button type="button" onclick="editor.redo()"
+                        <button type="button" onclick="redo()"
                                 class="text-gray-500 hover:text-gray-700 p-1">
                             <i class="fas fa-redo"></i>
                         </button>
@@ -258,6 +258,15 @@ if($_SERVER['REQUEST_METHOD'] == 'POST') {
         </div>
     </div>
 
+    <div class="flow-root gap-4">
+        <input type="submit" value="Thema löschen" name="submit"
+               class="float-left px-4 py-2 bg-red-600 text-white rounded-lg hover:bg-gray-200">
+        <input type="submit" value="Speichern" name="submit"
+               class="float-right px-4 py-2 bg-blue-600 text-white rounded-lg hover:bg-blue-700">
+        <input type="button" value="Abbrechen" onclick="history.back()"
+               class="float-right mx-2 px-4 py-2 bg-gray-100 text-gray-700 rounded-lg hover:bg-gray-200">
+    </div>
+
     <div class="border rounded-lg p-8 mt-8 bg-gray-50">
         <h4 class="text-lg font-medium text-gray-700 mb-4">Vorschau</h4>
         <div id="contentPreview" class="content-text prose prose-lg max-w-none bg-white p-6 rounded-lg shadow-sm"></div>
@@ -312,6 +321,10 @@ if($_SERVER['REQUEST_METHOD'] == 'POST') {
         let html = quill.getSemanticHTML().replace(/&nbsp;/g, " ");
         html = html.replaceAll("<p></p>", "<br>");
 
+        while (html.startsWith("<br>")) {
+            html = html.replace(/^<br>/g, "");
+        }
+
         while (html.endsWith("<br>")) {
             html = html.replace(/<br>$/g, "");
         }
@@ -322,6 +335,14 @@ if($_SERVER['REQUEST_METHOD'] == 'POST') {
     });
     quill.emitter.emit('text-change');
 
+    function undo() {
+        quill.history.undo();
+    }
+
+    function redo() {
+        quill.history.redo();
+    }
+
 </script>
 
 </body>