Update tools.py

tools.py

@@ -269,7 +269,12 @@ class Tools:
         If the user provides any input user query that is out of domain of the other APIs provided above,
         please use this function with the input user query as the string.
 
+        This function SHOULD NOT be used as input to another function.This should always be called as the only function.
+        This function should not be used as input to another function. This should always be called as the only function.
+
         - user_query (str): The input string that is out of domain.
+
+        Returns nothing.
         """
         return ["This query is not answerable. Please provide queries regarding locations, reviews, or recommendations!"]