Update app.py

app.py

@@ -85,5 +85,5 @@ def abstract_to_audio(insert_pdf):
 
 
 my_app = gr.Interface(fn=abstract_to_audio, inputs='file', outputs='audio', title="PDF Abstract Summarizer",
-    description="Extracts abstracts from PDFs and generates audio summaries. This app only accepts PDFs with abstracts.", examples=[https://huggingface.co/spaces/eHemink/assessment3_part2/blob/main/Hidden_Technical_Debt_in_MLSystems.pdf])
+    description="Extracts abstracts from PDFs and generates audio summaries. This app only accepts PDFs with abstracts.", examples=["https://huggingface.co/spaces/eHemink/assessment3_part2/blob/main/Hidden_Technical_Debt_in_MLSystems.pdf"])
 my_app.launch()