diff --git a/README.md b/README.md
index 9352830..4199ed8 100644
--- a/README.md
+++ b/README.md
@@ -8,23 +8,20 @@
This a portable mini photo camera.It has also a flash.
-## 🔎 Preparation
-
-
## 📦 Setup
1. `Refer to the circuit diagram`
2. `Install the 'Arduino IDE' software and open 'esp32-cam_camera.ino' file`
-4. `File>Preferences>Additional Boards Manager URLs:(Click the double window button)`
+3. `File>Preferences>Additional Boards Manager URLs:(Click the double window button)`
>Paste this code
```bash
https://dl.espressif.com/dl/package_esp32_index.json
```
-5. `Click 'OK'`
-6. `Tools>Board>Boards Manager...`
-7. `Search 'esp32' by Espressif Systems, and install it`
+4. `Click 'OK'`
+5. `Tools>Board>Boards Manager...`
+6. `Search 'esp32' by Espressif Systems, and install it`
> ⚠️ **Warning:** Make sure you have installed the correct USB driver (CH340, CH341, FT232R / FTDI Driver, CP2102) before connecting the ESP32CAM to your computer.
-8. `Plug the ESP32CAM into your computer`
-9. `Tools>Board>esp32>'AI Thinker ESP32-CAM'`
+7. `Plug the ESP32CAM into your computer`
+8. `Tools>Board>esp32>'AI Thinker ESP32-CAM'`
9. `Tools>Port>'Select the esp's port'`