diff --git a/admin-guide/kerberos.md b/admin-guide/kerberos.md
index 7372dfe9..73dbb557 100644
--- a/admin-guide/kerberos.md
+++ b/admin-guide/kerberos.md
@@ -1,6 +1,4 @@
-========
-Kerberos
-========
+# Kerberos
 
 PSI Kerberos documentation: https://intranet.psi.ch/de/knowledge-base/kerberos-and-afs