Update README.md

README.md

@@ -60,8 +60,12 @@ which is trained on [mixinstruct](https://huggingface.co/datasets/llm-blender/mi
 Since PairRanker contains some custom layers and tokens. We recommend use our pairranker with our llm-blender python repo.
 Otherwise, loading it directly with hugging face `from_pretrained()` API will encounter errors.
 
-First install `llm-blender` by `pip install git+https://github.com/yuchenlin/LLM-Blender.git`
-Then use pairranker with the following code:
+- First install `llm-blender`
+```bash
+pip install git+https://github.com/yuchenlin/LLM-Blender.git
+```
+
+- Then use pairranker with the following code:
 ```python
 import llm_blender
 # ranker config