Update README.md

README.md

@@ -20,7 +20,7 @@
 
 ## Updates
 
-- 2025/06/17: **Use this repo for YOLOv12 instead of Ultralytics. The Ultralytics version is inefficient and has unstable training, which are fixed here.**
+- 2025/06/17: **Use this repo for YOLOv12 instead of [ultralytics](https://github.com/ultralytics/ultralytics/tree/main/ultralytics/cfg/models/12). The [ultralytics](https://github.com/ultralytics/ultralytics/tree/main/ultralytics/cfg/models/12) implementation is inefficient and has unstable training, which are fixed here.**
 
 - 2025/06/04: YOLOv12's **instance segmentation** models are released, see [code](https://github.com/sunsmarterjie/yolov12/tree/Seg).