diff --git a/README.md b/README.md
index c308adb..cd1721e 100644
--- a/README.md
+++ b/README.md
@@ -41,7 +41,7 @@ cd src/lib/models/networks/DCNv2 sh make.sh
 
 We use the same training data as [JDE](https://github.com/Zhongdao/Towards-Realtime-MOT). Please refer to their [DATA ZOO](https://github.com/Zhongdao/Towards-Realtime-MOT/blob/master/DATASET_ZOO.md) to download and prepare all the training data including Caltech Pedestrian, CityPersons, CUHK-SYSU, PRW, ETHZ, MOT17 and MOT16. 
 
-[2DMOT15](https://motchallenge.net/data/2D_MOT_2015/) and [MOT20](https://motchallenge.net/data/MOT20/) can be downloaded from the official webpage of MOT challenge. After downloading, you should prepare the data in the following structure:
+[2DMOT15](https://motchallenge.net/data/MOT15/) and [MOT20](https://motchallenge.net/data/MOT20/) can be downloaded from the official webpage of MOT challenge. After downloading, you should prepare the data in the following structure:
 ```
 MOT15
    |——————images