Update README.md

README.md

@@ -18,7 +18,7 @@ pretty_name: TweetNER7
 
 ## Dataset Description
 
-- **Repository:** [https://github.com/asahi417/tweetner7](https://github.com/asahi417/tweetner7)
+- **Repository:** [https://github.com/asahi417/tner/tree/master/examples/tweetner7_paper](https://github.com/asahi417/tner/tree/master/examples/tweetner7_paper)
 - **Paper:** TBA
 - **Dataset:** TweetNER7
 - **Domain:** Twitter