readme: Trained for 4 epochs on CV9 dataset. 
  
  Achieves a WER of 13.5% on validation datset (beam search, 5 beams, generation max length 200, length penalty 1).
  
  https://wandb.ai/sanchit-gandhi/flax-wav2vec2-2-bart-large-cv9/runs/jv8wc0c4?workspace=user-sanchit-gandhi
  