Update README.md

README.md

@@ -17,7 +17,7 @@ We directly adapted this mechanism from Graves ([2016](#graves-2016)). At each i
 
 The architecture is not yet directly included in the Transformers library. So you shoud install the code implementation first:
 
-````bash
+```bash
 pip install git+https://github.com/AntoineSimoulin/adaptive-depth-transformers
 ```