message: Fix typo in statistics docs
diff: @@ -18,6 +18,6 @@ documented in detail in the operations guide.
  Envoy uses statsd as the statistics output format, though plugging in a different statistics sink
  would not be difficult. Both TCP and UDP statsd is supported. Internally, counters and gauges are
  -latched and periodically flushed to improve performance. Timers are written as they are received.
  +batched and periodically flushed to improve performance. Timers are written as they are received.
  Statistics :ref:`configuration <config_overview>`.
  