Update SupportedBoards.rst

Author: Andrey1994

docs/SupportedBoards.rst

@@ -1286,7 +1286,7 @@ PiEEG (Measure EEG with RaspberryPi) – Brain-computer interface (EEG, EMG, and
 To create such a board, you need to specify the following board ID and fields of the BrainFlowInputParams object:
 
 - :code:`BoardIds.PIEEG_BOARD`
-- :code:`serial_port`(optional), e.g., COM3, /dev/spidev0.0, etc.
+- :code:`serial_port`(optional), e.g. /dev/spidev0.0, etc. More likely you dont need to change the default
 
 Initialization Example:
 
@@ -1304,4 +1304,4 @@ Supported platforms:
 
 **Note**: Ensure that you have the necessary permissions to access the serial port on your operating system. For Unix-like systems, you may need to configure permissions for the serial port or run with sudo.
 
-**To use this board you need to compile BrainFlow from the source code right on your Raspbery Pi device with flag --build-periphery(build.py) or with -DBUILD_PERIPHERY=ON(CMake) and install desired bindings using local libraries.**
+**To use this board you need to compile BrainFlow from the source code right on your Raspbery Pi device with flag --build-periphery(build.py) or with -DBUILD_PERIPHERY=ON(CMake) and install desired bindings using local libraries.**