Update README.md

README.md

@@ -6,4 +6,18 @@ language:
 - pt
 pipeline_tag: text2text-generation
 base_model: google-t5/t5-small
----
+---
+
+
+## Introduction
+ptt5-v2 models were trained for approximately 1 epoch over the "pt" subset of the mC4 dataset, on top of the Google T5 original checkpoints. These models need to be fine-tuned before being used on downstream tasks.
+
+# Citation
+If you use our models, please cite:
+
+    @article{ptt5_2020,
+      title={PTT5: Pretraining and validating the T5 model on Brazilian Portuguese data},
+      author={Carmo, Diedre and Piau, Marcos and Campiotti, Israel and Nogueira, Rodrigo and Lotufo, Roberto},
+      journal={arXiv preprint arXiv:2008.09144},
+      year={2020}
+    }