Update long line in example.

Author: tdicola

examples/simpletest.py

@@ -14,7 +14,8 @@
 # Define pins connected to the chip, use these if wiring up the breakout according to the guide:
 CS    = digitalio.DigitalInOut(board.D5)
 RESET = digitalio.DigitalInOut(board.D6)
-# Or uncomment and instead use these if using a Feather M0 RFM69 board and the appropriate CircuitPython build:
+# Or uncomment and instead use these if using a Feather M0 RFM9x board and the appropriate 
+# CircuitPython build:
 #CS    = digitalio.DigitalInOut(board.RFM9X_CS)
 #RESET = digitalio.DigitalInOut(board.RFM9X_RST)