Update app.py

app.py

@@ -21,8 +21,8 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
 
 
 @tool
-def list_model_downloads(task: str) -> str:
-    """A tool that list the most downloaded model on huggingface for a specified task.
+def list_model_downloads(task: str)-> str:
+    """A tool that lists the most downloaded model on huggingface for a specified task.
     Args:
         task: The name of a task for which huggingface models can be used.
     """