Update README.md

README.md

@@ -25,3 +25,4 @@ We introduce PETra, the first multilingual corpus and detection framework for pr
 
 Citation:
 If you use this dataset, please cite: Doreen Osmelak, Koel Dutta Chowdhury, Uliana Sentsova, Cristina España-Bonet, Josef van Genabith. PETra: A Multilingual Corpus of Pragmatic Explicitation in Translation.
+(preprint: https://arxiv.org/abs/2511.02721)