message: AudioCalcLevel: improve comment
diff: @@ -25,7 +25,7 @@ void AudioCalcLevel_F32::update(void)
  applyFilterInPlace(block->data, block->length);
  //save last value
  - cur_value = block->data[(block->length)-1];
  + cur_value = block->data[(block->length)-1]; //get the last value
  //transmit the data
  