Update README.md

README.md

@@ -19,7 +19,7 @@ should probably proofread and complete it, then remove this comment. -->
 # Code-mixed IJERoBERTa
 
 Code-mixed IJERoBERTa is a pre-trained masked language model for code-mixed Indonesian-Javanese-English tweets data.
-This model is trained based on [BERT](https://arxiv.org/abs/1810.04805) model utilizing 
+This model is trained based on [RoBERTa](https://arxiv.org/abs/1907.11692) model utilizing 
 Hugging Face's [Transformers]((https://huggingface.co/transformers)) library.
 
 ## Pre-training Data