boards: nrf21540dk_nrf52840: Fix minor imperfections in documentation

Fis a few issues, mostly typos, in the nRF21540 DK board documentation.

Signed-off-by: Andrzej Głąbek <andrzej.glabek@nordicsemi.no>
This commit is contained in:
Andrzej Głąbek 2021-01-14 17:44:46 +01:00 committed by Ioannis Glaropoulos
commit 4f44caf229

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@ -33,7 +33,7 @@ The CPU provides support for the following devices:
nRF21540 DK (Credit: Nordic Semiconductor)
More information about the board can be found at the `nRF21540 website`_.
The `Nordic Semiconductor Infocenter`_ contains the processor'sand front end
The `Nordic Semiconductor Infocenter`_ contains the processor's and front end
module's information and the datasheet.
Hardware
@ -110,8 +110,8 @@ Push buttons
Front End Module
----------------
* MISO = P1.13
* MOSI = P1.14
* MOSI = P1.13
* MISO = P1.14
* CLOCK = P1.15
* CHIP SELECT = P0.21
* PDN = P0.23
@ -145,7 +145,7 @@ First, run your favorite terminal program to listen for output.
$ minicom -D <tty_device> -b 115200
Replace :code:`<tty_device>` with the port where the board nRF52840 DK
Replace :code:`<tty_device>` with the port where the board nRF21540 DK
can be found. For example, under Linux, :code:`/dev/ttyACM0`.
Then build and flash the application in the usual way.