Update README.md

README.md

@@ -217,7 +217,7 @@ Carbon emissions can be estimated using the [Machine Learning Impact calculator]
 
 ### Model Architecture and Objective
 
-The model is trained BERT with the masked language modelling objective from scratch on Bulgarian dataset containing data from opensource online media.  
+The model is GPT-2 trained from scratch  with the causal language modelling objective on Bulgarian dataset containing data from opensource online media.  
 
 ### Compute Infrastructure