Update app.py

app.py

@@ -14,7 +14,7 @@ def guc_dash_number(dash: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 takes a guc dash number and tells me which batch is this
     Args:
-        arg1: the guc dash number (ex: 52-)
+        dash: the guc dash number (ex: 52-)
     """
     match = re.search(r'(\d+)-', dash)
     dash_only = int(match.group(1))