old_contents: """
  
  Example for pca10040 / nrf52832 to show how mount
  and list a sdcard connected over SPI.
  
  
  Direct wireing on SD card (SPI):
     ______________________________
    |                              \
    |             9.    | NC    |   \
    |             1.      | ~CS   | |
    |             2.      | MOSI  | |
    |             3.      | GND   | |
    |             4.      | VCC3.3| |
    |             5.      | SCK   | |
    |             6.      | GND   | |
    |             7.      | MISO  | |
    |             8.      | NC    | |
    |                               |
    ---------------------------------
  """
  
  import os
  from machine import SPI, Pin
  from sdcard import SDCard
  
  def mnt():
      cs = Pin("P22", mode=Pin.OUT)
      sd = SDCard(SPI(0), cs)
      os.mount(sd, '/')
  
  def list():
      files = os.listdir()
      print(files)
  
  
new_contents: """
  
  Example for pca10040 / nrf52832 to show how mount
  and list a sdcard connected over SPI.
  
  
  Direct wiring on SD card (SPI):
     ______________________________
    |                              \
    |             9.    | NC    |   \
    |             1.      | ~CS   | |
    |             2.      | MOSI  | |
    |             3.      | GND   | |
    |             4.      | VCC3.3| |
    |             5.      | SCK   | |
    |             6.      | GND   | |
    |             7.      | MISO  | |
    |             8.      | NC    | |
    |                               |
    ---------------------------------
  """
  
  import os
  from machine import SPI, Pin
  from sdcard import SDCard
  
  def mnt():
      cs = Pin("P22", mode=Pin.OUT)
      sd = SDCard(SPI(0), cs)
      os.mount(sd, '/')
  
  def list():
      files = os.listdir()
      print(files)
  
  
subject: Fix typo in mountsd.py, wireing -> wiring.