diff --git a/firmware/Testing/ThefossilChannel/README.md b/firmware/Testing/ThefossilChannel/README.md
index 27edfa2..c3f349d 100644
--- a/firmware/Testing/ThefossilChannel/README.md
+++ b/firmware/Testing/ThefossilChannel/README.md
@@ -1,7 +1,8 @@
-PowerSaving 16.1 for Wio L1 tracker
+PowerSaving 16.1 for Wio L1 tracker:
+* Instruction to [Flash custom firmware](https://github.com/IoTThinks/EasySkyMesh/blob/main/firmware/Instruction-to-flash-firmware.md) 👈
 * Added sensor support for repeaters and room servers: P0.00 (GROVE SDA - D0) => SDA, P0.01 (GROVE SCL - D1) => SCL, 3.3v => 3.3v, GND => GND
 * PowerSaving GPS for repeaters: CLI powersaving on, gps on, gps
-* Instruction to [Flash custom firmware](https://github.com/IoTThinks/EasySkyMesh/blob/main/firmware/Instruction-to-flash-firmware.md) 👈
+* You can use CLI "sensor" to confirm the I2C pins.
 
 <img width="1898" height="1060" alt="image" src="https://github.com/user-attachments/assets/ae9d1155-b699-4c67-b81a-0cc6cc25493f" />