add finetuned dataset to model card

README.md

@@ -14,7 +14,7 @@ should probably proofread and complete it, then remove this comment. -->
 
 # finetuned_model
 
-This model is a fine-tuned version of [bert-base-cased](https://huggingface.co/bert-base-cased) on an unknown dataset.
+This model is a fine-tuned version of [bert-base-cased](https://huggingface.co/bert-base-cased) on the [Zero-Shot Twitter Financial News Sentiment Datset](https://huggingface.co/datasets/zeroshot/twitter-financial-news-sentiment).
 It achieves the following results on the evaluation set:
 - Loss: 1.1510
 - Accuracy: 0.804