Update README.md

README.md

@@ -13,7 +13,7 @@ pretty_name: DS-1000
 
 🔥 Check the leaderboard from Eval-Arena on our [project page](https://ds1000-code-gen.github.io/).
 
-See testing code and more information in the [DS-1000 repo](https://github.com/xlang-ai/DS-1000/).
+See testing code and more information (also the original [fill-in-the-middle/Insertion format](https://github.com/xlang-ai/DS-1000/tree/original_format)) in the [DS-1000 repo](https://github.com/xlang-ai/DS-1000/).
 
 Reformatting credits: Yuhang Lai, Sida Wang