Update blog

README.md

@@ -146,4 +146,4 @@ To cite this model, please use the following:
 
 ## Additional Information
 
-For more details on the BRAG series and updates, please refer to the official [blog](https://medium.com/maximalists/introducing-brag-high-performance-rag-model-trained-in-25-ff3f8fbc673e).
+For more details on the BRAG series and updates, please refer to the official [blog](https://themaximalists.substack.com/p/brag).