update definition of my_custom_tool

app.py

@@ -11,7 +11,7 @@ from Gradio_UI import GradioUI
 @tool
 def my_custom_tool(state_county:str, sales_tax:int,item:str)-> int: #it's import to specify the return type
     #Keep this format for the description / args / args description but feel free to modify the tool
-    """A tool that finds a price of an item and calculates the sales tax of the supplied state or county 
+    """A tool that finds a price of an item and calculates the sales tax of the supplied state or county and returns the price of the item
     Args:
         state_county: A string that represets the stae or county
         sales_tax: An interger that represents the sales tax