Update app.py

app.py

@@ -12,7 +12,7 @@ from Gradio_UI import GradioUI
 def dog_average_longevity(breed: str)-> str: 
     """A tool that uses DuckDuckGo to search the web and returns the average lifespan for a breed of dogs. 
         Args: 
-           breed : a string representing the breed of the dog (e.g., "Labrador")    
+           breed(str) : a string representing the breed of the dog (e.g., "Labrador").    
     """
     query = f"average lifespan for {breed} dog in years"