Update api.py

api.py

@@ -160,9 +160,9 @@ async def validation_exception_handler(request: Request, exc: RequestValidationE
 
 @app.post("/generate_summary/", tags=["Generate Summary"], response_model=List[SuccessfulResponse],
          responses={
-        401: {"model": AuthenticationError, "description": "Authentication Error"}, 
-        500: {"model": SummaryError, "description": "Summarizer Error occurs when the API couldn't generate summary of even a single article"},
-        422: {"model": InputValidationError, "description": "Validation Error"}
+        401: {"model": AuthenticationError, "description": "Authentication Error: Returned when the entered API key is incorrect"}, 
+        500: {"model": SummaryError, "description": "Summarizer Error: Returned when the API couldn't generate the summary of even a single article"},
+        422: {"model": InputValidationError, "description": "Validation Error: Returned when the payload data doesn't match the data type requirements"}
          })
 async def generate_summary(q: URLList):
     """