Update app.py

app.py

@@ -17,7 +17,7 @@ def generate_summary(text, model="gpt-4o-mini"):
         response = client.chat.completions.create(
             model=model,
             messages=[
-                {"role": "system", "content": "You are a helpful assistant. Please summarize the following content."},
+                {"role": "system", "content": "You are a helpful assistant. Please summarize the following content in 30 words ."},
                 {"role": "user", "content": text}
             ]
         )