update citation

README.md

@@ -87,15 +87,15 @@ tagger.predict(sentence)
 
 Please cite the following paper when using this model.
 
+
 ```
-@Article{regel,
-  author       = {Garda, Samuele and Lenihan-Geels, Freyda and Proft, Sebastian and Hochmuth, Stefanie and Schülke, Markus and Seelow, Dominik and Leser, Ulf},
-  date         = {2022},
-  journaltitle = {Under review},
-  title        = {RegEl corpus: Identifying DNA regulatory elements in the scientific literature},
-  volume       = {-},
-  groups       = {-},
-  publisher    = {-},
+@article{garda2022regel,
+  title={RegEl corpus: identifying DNA regulatory elements in the scientific literature},
+  author={Garda, Samuele and Lenihan-Geels, Freyda and Proft, Sebastian and Hochmuth, Stefanie and Sch{\"u}lke, Markus and Seelow, Dominik and Leser, Ulf},
+  journal={Database},
+  volume={2022},
+  year={2022},
+  publisher={Oxford Academic}
 }
 ```