Update app.py

app.py

@@ -51,7 +51,7 @@ def main():
     [AudioSeal](https://github.com/jcha0155/audioseal) is the next-generation watermarking tool driven by AI. 
     You can upload an audio file and encode a custom 16-bit watermark or perform decoding from a watermarked audio.
     
-    This page is for demonstration usage and only process **the first minute** of the audio. 
+    This page is for demonstration usage. 
     If you have longer files for processing, we recommend using [our python toolkit](https://github.com/jcha0155/audioseal).
     """