Fix example serial connection commands

README.md

@@ -38,8 +38,7 @@ Getting setup with the USBNinja is pretty simple, as long as you're happy with t
    * `sudo bsdtar -xpf root.tar.gz`
 9. Finally, you can `sync` (this will take a little while - don't worry!) and then `sudo umount boot root` to unmount the MicroSD card.
 10. Pop the MicroSD card back into the Raspbery Pi and boot it up! Make sure you use the "USB OTG" port on the board (the one next to the mini-HDMI port).
-11. After a few seconds, you should see a new serial device show up in `dmesg`. You can use either `screen` or `minicom` to access it. E.g. `sudo minicom -b
-
+11. After a few seconds, you should see a new serial device show up in `dmesg`. You can use either `screen` or `minicom` to access it. E.g. `sudo minicom -b 115200 -D /dev/ttyACM0` or `sudo screen /dev/ttyACM0 115200`.
 
 ### Build from source
 The other option is to just download and setup [Arch Linux ARM](https://archlinuxarm.org/platforms/armv6/raspberry-pi) by yourself and follow the instructions in [INSTALL.md](INSTALL.md) to compile the binaries from source and setup all the other services. The process is exactly the same as what was done to prepare the image.