Update README.md

README.md

@@ -157,4 +157,4 @@ If you use this dataset, please cite:
 
 ## Source
 The 3D datasets (e.g., Water3D, Sand3D, Plasticine3D, Jelly3D, RigidCollision3D, Melting3D) were generated using the NCLAW Simulator, 
-developed by ![Ma et al. (ICML 2023)](https://proceedings.mlr.press/v202/ma23a/ma23a.pdf).
+developed by [Ma et al. (ICML 2023)](https://proceedings.mlr.press/v202/ma23a/ma23a.pdf).