diff --git a/services-admin-guide/ssh_gateways.md b/services-admin-guide/ssh_gateways.md
index 47a591a9..70e385b6 100644
--- a/services-admin-guide/ssh_gateways.md
+++ b/services-admin-guide/ssh_gateways.md
@@ -24,6 +24,10 @@ However, the general baseline is that always the responsible of the protected ne
 - /etc/systemd/system/ldaputils_webhook.service
 
 
+The administration and management of the gateways is done via hiera:
+https://git.psi.ch/linux-infra/hiera/data-lx (all the machines are in the sshgw group)
+
+
 ## Troubleshooting
 
 ### Checklist