Update app.py

app.py

@@ -43,7 +43,9 @@ def respond(
     
     message = f"""
         The user is asking for information about the following: {message}.
-        Answer him in his own language using the information from the following link and mention this link: {spacer.join(doc.metadata["case_url"] for doc in documents)}
+        Answer him in his own language using the information from the following links and mention these links:
+        {spacer.join(str(doc.metadata) for doc in documents)}
+        Please mention your sources.
         
     """