diff --git a/docs/development.rst b/docs/development.rst
index 61edd20f70e607c84e8923ea0d889a8430a89b82..a2359cf3e8aa69b4bb8952f3fafd6ee24d802e75 100644
--- a/docs/development.rst
+++ b/docs/development.rst
@@ -398,7 +398,7 @@ In order to deploy the test site, the following steps would normally be taken:
      ansible-playbook playbooks/preseed.yml
 
 9. Install all servers using the generated preseed files. Use *Debian
-   10 Buster* or *Debian 11 Bullseye*.
+   11 Bullseye*.
 
 10. Add the SSH host fingerprints to your ``known_hosts`` file (don't forget to
     remove old entries if you are redoing the process). You can easily obtain all