small change

README.md

@@ -107,7 +107,6 @@ dataset["train"] = dataset["train"].select(range(500))
 dataset = dataset.cast_column("audio", Audio(sampling_rate=32_000))
 
 # extract the first five seconds of each sample in training (not utilizing event detection)
-# this is not very efficient since each complete audio file must be decoded this way.
 # a custom decoding with soundfile, stating start and end would be more efficient (see BirdSet Code)
 def map_first_five(sample):
     max_length = 160_000 # 32_000hz*5sec