diff --git a/admindoc.md b/admindoc.md
index 9194c8a4..27de3c56 100644
--- a/admindoc.md
+++ b/admindoc.md
@@ -26,6 +26,7 @@
     * [Web administration interface](/admin)
     * [SSH](/ssh) and [command-line administration](/commandline)
     * [Users and the SSO](/users)
+    * [Groups and permissions](/groups_and_permissions)
     * [Applications](/apps_overview)
     * [Domains, DNS and certificates](/domains)
     * [Email](/email)