fix tool description

app.py

@@ -10,7 +10,16 @@ from Gradio_UI import GradioUI
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(location: str, utc_offset: int) -> str:
-    """Generates relevant information about a given location's timezone, including possible timezones and major cities."""
+    """
+    Generates relevant information about a given location's timezone, including possible timezones and major cities.
+
+    Args:
+        location (str): The name of the location to look up.
+        utc_offset (int): The UTC offset in hours to search for matching timezones.
+
+    Returns:
+        str: A message listing possible timezones and major cities for the given UTC offset.
+    """
     try:
         # Determine possible timezone based on UTC offset
         all_timezones = pytz.all_timezones