typo

Author: vincentqb

torchaudio/functional.py

@@ -109,7 +109,7 @@ def istft(
         'please use torch.istft instead.')
     if pad_mode is not None:
         warnings.warn(
-            'The parameter `pad_mode` was ignored in isftft, and is thus being deprecated. '
+            'The parameter `pad_mode` was ignored in istft, and is thus being deprecated. '
             'Please set `pad_mode` to None to suppress this warning.')
     return torch.istft(
         input=stft_matrix, n_fft=n_fft, hop_length=hop_length, win_length=win_length, window=window,