Update README.md

README.md

@@ -79,7 +79,7 @@ If you can't see the video, you can watch it [here](https://www.youtube.com/watc
 If you are using the Seeed Studio XIAO ESP32S3, then you can directly connect the lithium battery to the back of the ESP32.
 ![alt text](battery.png)
 
--   **Step 1**: If you use normal ESP32-S3 chip:
+-   **Step 1**: If you use normal ESP32-S3 chip, otherwise you can skip this step:
     - please go to [Config.h](firmware/src/Config.h) and uncomment the `USE_NORMAL_ESP32_S3` line and comment the `USE_XIAO_ESP32_DEVKIT` line.
 
         ```cpp