Update README.md

README.md

@@ -77,6 +77,7 @@ emb = torch.cat(
 
 ## Citation
 
+```
 @misc{bogdanov2024nuner,
       title={NuNER: Entity Recognition Encoder Pre-training via LLM-Annotated Data}, 
       author={Sergei Bogdanov and Alexandre Constantin and Timothée Bernard and Benoit Crabbé and Etienne Bernard},
@@ -84,4 +85,5 @@ emb = torch.cat(
       eprint={2402.15343},
       archivePrefix={arXiv},
       primaryClass={cs.CL}
-}
+}
+```