added paper and github repo info

README.md

@@ -1,7 +1,12 @@
-### Saying No is An Art: Contextualized Fallback Responses for Unanswerable Dialogue Queries
+# Natural Don't Know Response Model
 
-#### How to use
+Fine-tunned on [Google's T5](https://ai.googleblog.com/2020/02/exploring-transfer-learning-with-t5.html) using [Quora Question Pairs(QQP)](https://huggingface.co/nlp/viewer/?dataset=quora) dataset for **Don't Know Response Generation** task.
+
+Additional information about this model:
+- Paper : https://arxiv.org/pdf/2012.01873.pdf
+- Github Repo: https://github.com/kaustubhdhole/natural-dont-know
 
+#### How to use
 ```python
 from transformers import T5ForConditionalGeneration, T5Tokenizer
 model_name = "ashish-shrivastava/dont-know-response"