diff --git a/livox-device-time-synchronization-manual.md b/livox-device-time-synchronization-manual.md
index cc3900c..bc7d66e 100644
--- a/livox-device-time-synchronization-manual.md
+++ b/livox-device-time-synchronization-manual.md
@@ -43,7 +43,7 @@ After the Livox device receives the rising edge of the PPS signal and parses the
 
 - Livox Hub can directly receive RS485 level GPRMC signal;
 
-- Livox LiDAR cannot directly receive GPRMC signals, it needs to connect the GPRMC data port to the PC, and then send it to the radar through the SDK protocol;
+- Livox LiDAR cannot directly receive GPRMC signals, it needs to connect the GPRMC data port to the PC, and then send it to the LiDAR through the SDK protocol;
 
 ![](./images_timesync/gps_sync.png)