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-This library is P/Invoke wrapper for serial port.
+This library is a P/Invoke wrapper for Win32API serial port.
 Originally copied from http://msdn.microsoft.com/en-us/magazine/cc301786.aspx that I guess licensed under Ms-PL so this project will be also in Ms-PL.
 Please help me on completing APIs of this library, any suggestion is valued :)
 I am trying to make this library more similar with System.IO.Ports.SerialPort.
 
-Have fun :)
\ No newline at end of file
+It useful in cases System.IO.Ports.SerialPort is not working well (for connecting to \\.\... devices)
+
+Have fun :)