message: SDWavePlayer: fix a comment
diff: #include "AudioSDPlayer_F32.h"
  //set the sample rate and block size
  -const float sample_rate_Hz = (int)(44100); //this value puts 37000Hz right at a FFT bin (or other frequencies in the table in AudioOutputI2S_F32)
  +const float sample_rate_Hz = (int)(44100); //choose sample rate ONLY from options in the table in AudioOutputI2S_F32
  const int audio_block_samples = 128; //do not make bigger than AUDIO_BLOCK_SAMPLES from AudioStream.h (which is 128) Must be 128 for SD recording.
  AudioSettings_F32 audio_settings(sample_rate_Hz, audio_block_samples);
  