clean up comments

Author: jerryneedell

adafruit_rfm69.py

@@ -683,6 +683,8 @@ def send(self, data, timeout=2., keep_listening=False,
            The tx_header defaults to using the Broadcast addresses. It may be overidden
            by specifying a 4-tuple of bytes containing (To,From,ID,Flags)
            The timeout is just to prevent a hang (arbitrarily set to 2 seconds)
+           The keep_listening argument should be set to True if you want to start listening
+           automatically after the packet is sent. The default setting is False.
         """
         # Disable pylint warning to not use length as a check for zero.
         # This is a puzzling warning as the below code is clearly the most

examples/rfm69_rpi_interrupt.py

@@ -2,6 +2,7 @@
 # to be received. Interrupts are used only for receive. sending is done with polling.
 # This example is for systems that support interrupts like the Raspberry Pi with "blinka"
 # CircuitPython does not support interrupts so it will not work on  Circutpython boards
+# Author: Tony DiCola, Jerry Needell
 import time
 import board
 import busio

examples/rfm69_transmit.py

@@ -7,6 +7,7 @@
 import digitalio
 import adafruit_rfm69
 
+# set the time interval (seconds) for sending packets
 transmit_interval=10
 
 # Define radio parameters.