message: Fixed a spelling error that I can't seem to help making!
diff: @@ -598,7 +598,7 @@ static UART dbgUART(UART2_BASE);
  // PB14 - CTS
  //
  // The Nucleo board also includes a secondary serial port that's
  -// indirectly connected to it's USB connector. This port is
  +// indirectly connected to its USB connector. This port is
  // connected to the STM32 UART2 at pins:
  // PA2 - TX
  // PA3 - RX
  