diff --git a/README.md b/README.md
index bf04bba..49eee05 100644
--- a/README.md
+++ b/README.md
@@ -23,12 +23,12 @@ url={http://proceedings.mlr.press/v139/cheng21a.html}
 Usage
 -----
 **SPADE-Score Calculation Usage**
-1. `cd SPADE_score/`
+`cd SPADE_score/`
 
 **SPADE-Guided Adversarial Training Usage**
 
-1. `cd adv_train/`
+`cd adv_train/`
 
 **SPADE-Guided Robustness Evaluation Usage**
 
-1. `cd Robustness_Eval/`
+`cd Robustness_Eval/`