Update app.py

Update description

app.py

@@ -765,7 +765,7 @@ with gr.Blocks(title="PDF to Audio", css="""
     
     with gr.Row(elem_id="header"):
         with gr.Column(scale=4):
-            gr.Markdown("# Convert PDFs into an audio podcast, lecture, summary and others\n\nFirst, upload one or more PDFs, select options, then push Generate Audio.\n\nYou can also select a variety of custom option and direct the way the result is generated.", elem_id="title")
+            gr.Markdown("# Convert any document into an audio podcast, lecture, summary and others\n\nFirst, upload one or more PDFs, markup or other files, select options, then push Generate Audio.\n\nYou can also select a variety of custom option and direct the way the result is generated.", elem_id="title")
         with gr.Column(scale=1):
             gr.HTML('''
                 <div id="logo_container">