Update README.md

README.md

@@ -35,7 +35,7 @@ For each task, the intent with reference answer is provided in the JSON file, as
 
 - **shopping:** 200 tasks. All tasks here are about items in OneStopMarket
 
-- **wikipedia:** 308 tasks. All tasks here are limited in wikipedia. Some are comparable tasks and others are simple. (108 tasks of them are filtered from [WebQA])
+- **wikipedia:** 308 tasks. All tasks here are limited in wikipedia. Some are comparable tasks and others are simple. (108 intents are filtered from [WebQA](https://webqna.github.io/))
 
 
 ***"task_id"*** indicates the position of this task within the current folder.