Update README.md

README.md

@@ -19,7 +19,7 @@ num_train_epochs=3
 ```
 
 Bioformer's performance is on par with [DistilBERT](https://arxiv.org/pdf/1910.01108.pdf) (EM/F1: 77.7/85.8), 
-although Bioformer was only pretrained on biomedical texts. 
+although Bioformer was pretrained only on biomedical texts. 
 
 
 ## Speed