diff --git a/xos/synchronizer/event_steps/dhcp_event.py b/xos/synchronizer/event_steps/dhcp_event.py
index 2483e46..d6a789f 100644
--- a/xos/synchronizer/event_steps/dhcp_event.py
+++ b/xos/synchronizer/event_steps/dhcp_event.py
@@ -45,6 +45,8 @@
 
         self.log.debug("dhcp.events: Got event for subscriber", subscriber=subscriber, event_value=value, onu_sn=onu_sn)
 
+        # NOTE it will be better to update the SI and use the model policy to update the subscriber,
+        # if this fails for any reason the event is lost
         subscriber.ip_address = value["ipAddress"]
         subscriber.mac_address = value["macAddress"]
         subscriber.save()