diff --git a/templates/ergo/index.html.tera b/templates/ergo/index.html.tera
index 8a165cf..c5a4b1d 100644
--- a/templates/ergo/index.html.tera
+++ b/templates/ergo/index.html.tera
@@ -51,6 +51,11 @@
                                        target="_blank"
                                        style="text-decoration: underline">Intro</a>
                                 </li>
+                                <li class="py-1">
+                                    <a href="https://www.youtube.com/watch?v=VE663Kg0c00"
+                                       target="_blank"
+                                       style="text-decoration: underline">Grundlagen</a>
+                                </li>
                                 <li class="py-1">
                                     <a href="https://www.youtube.com/watch?v=KOacKLOpWkI"
                                        target="_blank"