diff --git a/etc/compose/sensor.yml b/etc/compose/sensor.yml
index c7317a72..366fa0f7 100644
--- a/etc/compose/sensor.yml
+++ b/etc/compose/sensor.yml
@@ -498,6 +498,8 @@ services:
     environment:
     # For ET Pro ruleset replace "OPEN" with your OINKCODE
      - OINKCODE=OPEN
+    # Loading externel Rules from URL 
+    # - FORMURL="https://username:password@yoururl.com|https://username:password@otherurl.com"
     network_mode: "host"
     cap_add:
      - NET_ADMIN