Update README.md

README.md

@@ -24,9 +24,12 @@ sdat2img.py <transfer_list> <system_new_file> <system_ext4>
 This is a simple example on a Linux system: 
 ```
 ~$ ./sdat2img.py system.transfer.list system.new.dat system.img
+~$ mkdir output
+~$ sudo mount -t ext4 -o loop system.img output/
 ```
 
 
 
+
 ## Info
 For more information about this binary, visit http://forum.xda-developers.com/android/software-hacking/how-to-conver-lollipop-dat-files-to-t2978952.