Update README.md

README.md

@@ -2,4 +2,4 @@ This model is a T5-large reranker fine-tuned on MS MARCO passage dataset for 100
 
 For more details on how to use it, check [pygaggle.ai](pygaggle.ai)
 
-Paper describing the model: [Document Ranking with a Pretrained Sequence-to-Sequence Model](https://www.aclweb.org/anthology/2020.findings-emnlp.63/): 
+Paper describing the model: [Document Ranking with a Pretrained Sequence-to-Sequence Model](https://www.aclweb.org/anthology/2020.findings-emnlp.63/)