update citation info

README.md

@@ -240,10 +240,11 @@ Apache 2.0
 ### Citation Information
 
 ```
-@misc{https://ethanperez.net/unpredictable,
+@misc{chan2022few,
   author = {Chan, Jun Shern and Pieler, Michael and Jao, Jonathan and Scheurer, Jérémy and Perez, Ethan},
   title = {Few-shot Adaptation Works with UnpredicTable Data},
-  publisher = {arXiv},
+  publisher={arXiv},
   year = {2022},
+  url = {https://arxiv.org/abs/2208.01009}
 }
 ```

unpredictable_en-wikipedia-org.py

@@ -20,7 +20,13 @@ import pandas as pd
 import datasets
 
 _CITATION = """\
-@misc{https://ethanperez.net/unpredictable, author = {Chan, Jun Shern and Pieler, Michael and Jao, Jonathan and Scheurer, Jérémy and Perez, Ethan}, title = {Exploring Few-Shot Adaptation of Language Models with Tables}, publisher = {arXiv}, year = {2022}}
+@misc{chan2022few,
+  author = {Chan, Jun Shern and Pieler, Michael and Jao, Jonathan and Scheurer, Jérémy and Perez, Ethan},
+  title = {Few-shot Adaptation Works with UnpredicTable Data},
+  publisher={arXiv},
+  year = {2022},
+  url = {https://arxiv.org/abs/2208.01009}
+}
 """
 
 _DESCRIPTION = """\