diff --git a/docs/events/2026-05-05/Bucheli.md b/docs/events/2026-05-05/Bucheli.md
index 98be7f1676..d600f56fb0 100644
--- a/docs/events/2026-05-05/Bucheli.md
+++ b/docs/events/2026-05-05/Bucheli.md
@@ -10,6 +10,7 @@ Links:
 
 * [OpenSSH home page](https://www.openssh.org)
 * [SSH cheat sheet](https://computingforgeeks.com/ssh-commands-cheat-sheet-linux/)
+* [Wikibooks: OpenSSH](https://en.wikibooks.org/wiki/OpenSSH)
 * [SSH academy](https://www.ssh.com/academy/ssh)
 
 Slides: