update citation

README.md

@@ -65,7 +65,7 @@ The models are trained with the same configuration as BERT base in the [original
   % title={Construction and Validation of a Pre-Training and Additional Pre-Training Financial Language Model},
   author={鈴木 雅弘 and 坂地 泰紀 and 平野 正徳 and 和泉 潔},
   % author={Masahiro Suzuki and Hiroki Sakaji and Masanori Hirano and Kiyoshi Izumi},
-  booktitle={人工知能学会第27回金融情報学研究会(SIG-FIN)},
+  booktitle={人工知能学会第28回金融情報学研究会(SIG-FIN)},
   % booktitle={"Proceedings of JSAI Special Interest Group on Financial Infomatics (SIG-FIN) 28"},
   pages={132-137},
   year={2022}