fix README typo again

Author: jerryneedell

README.rst

@@ -47,6 +47,7 @@ For breakout boards or other configurations where the boards are separated,
 it may be necessary to reduce the baudrate for reliable data transmission.
 The baud rate may be specified as an keyword parameter when initializing the board.
 To set it to 1000000 use :
+
 .. code-block:: python
 # Initialze RFM radio
 rfm9x = adafruit_rfm9x.RFM9x(spi, CS, RESET, RADIO_FREQ_MHZ,baudrate=1000000)