Update app.py

app.py

@@ -94,6 +94,7 @@ theme = gr.themes.Soft(
     block_background_fill='*neutral_50'
 )
 
+# eventually swap to something else
 global_phonemizer = phonemizer.backend.EspeakBackend(language='en-us',
                                                      preserve_punctuation=True,
                                                      with_stress=True,