diff --git a/README.md b/README.md
index ce50322..875ee45 100644
--- a/README.md
+++ b/README.md
@@ -27,7 +27,7 @@ $ pip install -U onnx \
 https://github.com/PINTO0309/simple-onnx-processing-tools#docker
 
 ## 2. CLI Usage
-```bash
+```
 $ snc4onnx -h
 
 usage: