Update readme

README.md

@@ -125,7 +125,9 @@ Unless you have a specific need, we request you to respect the split decision to
 [More Information Needed]
 
 ### Citation Information
+If you are using the PMIndiaSum corpus, please cite the following article:
 
+```
 @article{urlana2023pmindiasum,
     title={{PMIndiaSum}: Multilingual and Cross-lingual Headline Summarization for Languages in {India}}, 
     author={Urlana, Ashok and Chen, Pinzhen and Zhao, Zheng and Cohen, Shay B. and Shrivastava, Manish and Haddow, Barry},
@@ -133,6 +135,7 @@ Unless you have a specific need, we request you to respect the split decision to
     url ={https://arxiv.org/abs/2305.08828},
     year={2023}
 }
+```
 
 ### Contributions