Update README.md

Author: WongKinYiu

README.md

@@ -20,6 +20,8 @@ MS COCO
 | [**YOLOv9-C**](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-c.pt) | 640 | **53.0%** | **70.2%** | **57.8%** | **25.5M** | **102.8G** |
 | [**YOLOv9-E**](https://github.com/WongKinYiu/yolov9/releases/download/v0.1/yolov9-e.pt) | 640 | **55.6%** | **72.8%** | **60.6%** | **58.1M** | **192.5G** |
 
+<!-- small and medium models will be released after the paper be accepted and published. -->
+
 
 ## Installation
 
@@ -133,7 +135,7 @@ Under construction.
 
 ## Teaser
 
-We release parts of code of [YOLOR-Based Multi-Task Learning](https://arxiv.org/abs/2309.16921) in the repository.
+Parts of code of [YOLOR-Based Multi-Task Learning](https://arxiv.org/abs/2309.16921) are released in the repository.
 
 
 ## Acknowledgements