Update README.md

README.md

@@ -258,7 +258,7 @@ We will have a paper out soon, but until then, please cite:
 @online{SHP,
   author = {Ethayarajh, Kawin and Zhang, Heidi and Wang, Yizhong and Jurafsky, Dan},
   title = {Stanford Human Preferences Dataset},
-  year = 2023,
-  url = {https://huggingface.co/datasets/stanfordnlp/SHP},
+  year = {2023},
+  url = {https://huggingface.co/datasets/stanfordnlp/SHP}
 }
 ```