diff --git a/bbsim/values.yaml b/bbsim/values.yaml
index ca0cf5e..c6b11f6 100644
--- a/bbsim/values.yaml
+++ b/bbsim/values.yaml
@@ -27,6 +27,9 @@
 nni: 1
 pon: 1
 onu: 1
+# time that BBSim should wait to emulate an hardware reboot
+oltRebootDelay: 60
+# delay between ONU discovery indication
 delay: 200
 log_level: '{{ .Values.defaults.log_level }}'
 kafkaEventTopic: ""