diff --git a/wpa_supplicant/README-NAN-USD b/wpa_supplicant/README-NAN-USD
index 5dfe6eeed..72c379fc9 100644
--- a/wpa_supplicant/README-NAN-USD
+++ b/wpa_supplicant/README-NAN-USD
@@ -75,7 +75,7 @@ NAN_CANCEL_SUBSCRIBE subscribe_id=<id from NAN_SUBSCRIBE>
 
 This command maps to the CancelSubscribe() method in the NAN Discovery Engine.
 
-NAN_TRANSMIT handle=<id from NAN_PUBLISH or NAN_SUBSCRIBE> req_instance=<peer's id> address=<peer's MAC address> [ssi=<service specific information (hexdump)>]
+NAN_TRANSMIT handle=<id from NAN_PUBLISH or NAN_SUBSCRIBE> req_instance_id=<peer's id> address=<peer's MAC address> [ssi=<service specific information (hexdump)>]
 
 This command maps to the Transmit() method in the NAN Discovery Engine.