diff --git a/admin-guide/configuration/monitoring/icinga2.md b/admin-guide/configuration/monitoring/icinga2.md
index b4d147cb..2faf74be 100644
--- a/admin-guide/configuration/monitoring/icinga2.md
+++ b/admin-guide/configuration/monitoring/icinga2.md
@@ -246,6 +246,11 @@ icinga2::custom_service:
 
 Possible commands are [`http`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-http), [`tcp`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-tcp), [`udp`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-udp), [`ssl`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-ssl), [`ssh`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-ssh) or [`ftp`](https://icinga.com/docs/icinga-2/latest/doc/10-icinga-template-library/#plugin-check-command-ftp).
 
+Note if you want to reference the hostname, you might use a macro, e.g.:
+```
+    http_vhost: '$host.name$'
+```
+
 The actual service name is up to you, it only needs to be unique.
 
 ### Other Custom Checks