Update README.md

README.md

@@ -22,6 +22,7 @@ Please cite us if our project is helpful to you!
   pages={9053-9068},
   keywords={Transformers;Object detection;Hyperspectral imaging;Feature extraction;Self-supervised learning;Training;Unsupervised learning;Hyperspectral imagery (HSI);momentum contrastive learning;target detection;transformer;unsupervised learning},
   doi={10.1109/JSTARS.2024.3387985}}
+```
 
 # Usage:
 ```