diff --git a/README.md b/README.md
index 64dbec6..4576697 100644
--- a/README.md
+++ b/README.md
@@ -15,6 +15,7 @@
'1' ESP32-CAM
'1' FT232RL USB to UART Converter
+
2. `Use an SD card with a minimum capacity of 4 GB, formatted as FAT32 with a 32 KB allocation unit size.`
3. `Then insert this SD card into your ESP32-CAM board.`
4. `Connect your 'OV2640' camera to your ESP32-CAM board.`