Update README.md

README.md

@@ -62,6 +62,7 @@ If you use our models (Arat5-base, Arat5-msa-base, Arat5-tweet-base, Arat5-msa-s
     year = "2022",
     address = "Online",
     publisher = "Association for Computational Linguistics",
+    }
 ```
 
 ## Acknowledgments