update fftmonitor doc
# EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED
# WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR PURPOSE.
"""
-the :mod:`sbp.client.examples.simple` module contains a basic example of
-reading SBP messages from a serial port, decoding BASELINE_NED messages and
-printing them out.
+the :mod:`sbp.client.util.fftmonitor` module contains functionality to log
+and assemble spectrum analyzer messages into FFT information
"""
from collections import defaultdict
