diff --git a/dev/release/README.md b/dev/release/README.md
index dd378f86e..20c1562a6 100644
--- a/dev/release/README.md
+++ b/dev/release/README.md
@@ -181,7 +181,7 @@ Go to the Test PyPI page of Datafusion, and download
 [all published artifacts](https://test.pypi.org/project/datafusion/#files) under `dist-release/` directory. Then proceed
 uploading them using `twine`:
 
-```py
+```bash
 twine upload --repository pypi dist-release/*
 ```