Fix comments

services/question/README.md

@@ -425,28 +425,28 @@ curl -X DELETE http://localhost:8081/questions/21
 
 ## Delete Questions
 
-This endpoint allows the deletion of multiple questions by the question ID.
+This endpoint allows the deletion of multiple questions by their question IDs.
 
 - **HTTP Method**: `POST`
 - **Endpoint**: `/questions/delete`
 
 ### Parameters:
 
-- `ids` (Required) - The IDs of the questions to delete.
+- `ids` (Required) - An array of integers representing the IDs of the questions to delete, e.g. `[1, 2, 3]`.
 
 ### Responses:
 
-| Response Code               | Explanation                                    |
-|-----------------------------|------------------------------------------------|
-| 200 (OK)                    | Success, the question is deleted successfully. |
-| 400 (Bad Request)           | The `id` was not specified                     |
-| 404 (Not Found)             | A question with the specified id not found.    |
-| 500 (Internal Server Error) | Unexpected error in the database or server.    |
+| Response Code               | Explanation                                          |
+|-----------------------------|------------------------------------------------------|
+| 200 (OK)                    | Success, the question is deleted successfully.       |
+| 400 (Bad Request)           | The `ids` parameter was not specified or is invalid. |
+| 404 (Not Found)             | A question with the specified id not found.          |
+| 500 (Internal Server Error) | Unexpected error in the database or server.          |
 
 ### Command Line Example:
 
 ```
-curl -X POST http://localhost:8081/questions/delete -H "Content-Type: application/json" -d '{"ids": [21]}'
+curl -X POST http://localhost:8081/questions/delete -H "Content-Type: application/json" -d '{"ids": [21, 22]}'
 ```
 
 ### Example of Response Body for Success: