Update voice_processing.py

voice_processing.py

@@ -163,7 +163,8 @@ def tts(model_name, tts_text, tts_voice, index_rate, use_uploaded_voice, uploade
         print(f"Audio duration: {duration}s")
         if limitation and duration >= 20:
             return (
-                f"Audio should be                None,
+                f"Audio should be less than 20 seconds in this huggingface space, but got {duration}s.",
+                None,
                 None,
             )