examples: recover: minor fixes in doc and code

digidotcom#241

Signed-off-by: Tatiana Leon <Tatiana.Leon@digi.com>

Author: tatianaleon

examples/configuration/RecoverSerialConnection/RecoverSerialConnection.py

@@ -15,7 +15,7 @@
 import logging
 
 from digi.xbee.devices import XBeeDevice
-from digi.xbee.exception import OperationNotSupportedException, XBeeException, RecoveryException
+from digi.xbee.exception import XBeeException
 
 # TODO: Replace with the serial port where your local module is connected to.
 PORT = "COM1"

examples/configuration/RecoverSerialConnection/readme.txt

@@ -11,8 +11,8 @@
   ------------
   To run this example you will need:
 
-    * One XBee radio in API mode and its corresponding carrier board (XBIB
-      or XBee Development Board).
+    * One XBee radio and its corresponding carrier board (XBIB or XBee
+      Development Board).
 
 
   Compatible hardware