Update citation

README.md

@@ -13,7 +13,7 @@ If you use our splits in your research, please cite our work: "[A Benchmark for
 
 ```
 @inproceedings{vasquez-rodriguez-etal-2022-benchmarking,
-    title = "The Role of Text Simplification Operations in Evaluation",
+    title = "A Benchmark for Neural Readability Assessment of Texts in Spanish",
     author = "V{\'a}squez-Rodr{\'\i}guez, Laura  and
       Cuenca-Jim{\'\e}nez, Pedro-Manuel and
       Morales-Esquivel, Sergio Esteban and