Fix syntax error

app.py

@@ -41,7 +41,7 @@ def get_person_bio(first_name: str, last_name: str) -> str:
         last_name: last name of the person
     """
     details = {
-        "Prakash Chaudhary": "Prakash is an employee of Fetch Rewards, Inc. He loves working with agents and has in-depth knowledge around the field."
+        "Prakash Chaudhary": "Prakash is an employee of Fetch Rewards, Inc. He loves working with agents and has in-depth knowledge around the field.",
         "John Doe": "No one"
 
     }