Update README.md

README.md

@@ -12,7 +12,7 @@ license: mit
 
 # ViT5-base
 
-State-of-the-art pre-trained Transformer-based encoder-decoder model for Vietnamese.
+State-of-the-art pretrained Transformer-based encoder-decoder model for Vietnamese.
 
 ## How to use
 For more details, do check out [our Github repo](https://github.com/vietai/ViT5).