message: Fix pyusb typo
diff: @@ -114,7 +114,7 @@ There is currently a very primitive method to read/write configuration, commands
  Please use the `tools/test_communication.py` python script for this. It is written for Python 3.
  Setup instructions as follows:
  -* Install PyUSB (pip install --pre pysusb)
  +* Install PyUSB (pip install --pre pyusb)
  * Plug in the STLink or another power source to power the ODrive board
  * Plug in a separate USB cable into the microUSB connector on ODrive
  * On Windows, use the [Zadig](http://zadig.akeo.ie/) utility to set ODrive (not STLink!) driver to libusb
  