Markdown fix for troubleshooting

README.md

@@ -75,8 +75,8 @@ raise KeyError(key)
 KeyError: 'mistral'
 ```
 
-Installing transformers from source should solve the issue
-pip install git+https://github.com/huggingface/transformers
+Installing transformers from source should solve the issue: \
+```pip install git+https://github.com/huggingface/transformers```
 
 This should not be required after transformers-v4.33.4.