diff --git a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange-ODID/defaults.parm b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange-ODID/defaults.parm
index 92d6c3ec2a..827b785e1b 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange-ODID/defaults.parm
+++ b/libraries/AP_HAL_ChibiOS/hwdef/CubeOrange-ODID/defaults.parm
@@ -13,6 +13,10 @@ SERIAL5_PROTOCOL 1
 # enforce OpenDroneID on DroneCAN. Note that we need to lock down key parameters
 # to ensure the integrity of the RemoteID system
 DID_ENABLE 1 @READONLY
+# If setting persistent UAS ID at first reception of Basic ID from OEM's config tool
+# set the DID_OPTIONS to 5 , otherwise set to 1. At first reception of Basic ID, the
+# UAS ID, Type, and UA Type will be set to the value in the Basic ID message and DID_OPTIONS
+# will be set to 1.
 DID_OPTIONS 5 @READONLY
 DID_MAVPORT 1 @READONLY
 DID_CANDRIVER 0 @READONLY