diff --git a/TTS/tts/datasets/dataset.py b/TTS/tts/datasets/dataset.py
index 552dbf6d75..19fb25bef8 100644
--- a/TTS/tts/datasets/dataset.py
+++ b/TTS/tts/datasets/dataset.py
@@ -47,7 +47,7 @@ def string2filename(string):
 def get_audio_size(audiopath):
     extension = audiopath.rpartition(".")[-1].lower()
     if extension not in {"mp3", "wav", "flac"}:
-        raise RuntimeError(f"The audio format {extension} is not supported, please convert the audio files for mp3, flac or wav format!")
+        raise RuntimeError(f"The audio format {extension} is not supported, please convert the audio files to mp3, flac, or wav format!")
 
     audio_info = mutagen.File(audiopath).info
     return int(audio_info.length * audio_info.sample_rate)