diff --git a/rdm.html b/rdm.html
index 545da9cd0de53afe089d2a6d9aa067a76e2c78e5..9a55be3929bab5e0ba368e4a2bdcc079b007699b 100644
--- a/rdm.html
+++ b/rdm.html
@@ -474,7 +474,7 @@
 
     <div class="ribbon-wrapper right">
       <div class="ribbon">
-        <a href="https://git.idiv.de/sc/edu/git-seminar/edit/master/basics.html"
+        <a href="https://git.idiv.de/sc/edu/git-seminar/edit/main/rdm.html"
             target="_blank">
           edit
         </a>