update model card README.md

README.md

@@ -2,6 +2,8 @@
 license: apache-2.0
 tags:
 - generated_from_trainer
+datasets:
+- Graphcore/wikipedia-bert-512
 model-index:
 - name: output-pretrain-groupbert-base-phase2
   results: []
@@ -12,7 +14,7 @@ should probably proofread and complete it, then remove this comment. -->
 
 # output-pretrain-groupbert-base-phase2
 
-This model is a fine-tuned version of [bert-base-uncased](https://huggingface.co/bert-base-uncased) on the None dataset.
+This model is a fine-tuned version of [bert-base-uncased](https://huggingface.co/bert-base-uncased) on the Graphcore/wikipedia-bert-512 dataset.
 
 ## Model description