diff --git a/README.md b/README.md
index 10787d1..ad28973 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,7 @@ An AlpineLinux image targeted at raspberry pi zero W for sonoff-diy autoflashing
 1. [Download](https://alpinelinux.org/downloads/)  the AlpineLinux image for raspberry (armhf architecture) from [here](http://dl-cdn.alpinelinux.org/alpine/v3.10/releases/armhf/alpine-rpi-3.10.3-armhf.tar.gz) 
 2. Format your microSD card as FAT32
 3. Unpack the downloaded AlpineLinux into the microSD card
-4. Copy all the files from [this repo](https://git.asperti.com/paspo/sonoff-flasher)'s rootfs directory into the microSD card
+4. Copy all the files from [this repo](https://git.asperti.com/paspo/sonoff-flasher)'s rootfs directory into the microSD card (you have to replace **cmdline.txt** with the new one when asked)
 5. unmount the card and place it into the rPi
 
 ## usage