diff --git a/README.md b/README.md
index 8b858ac..c75f277 100644
--- a/README.md
+++ b/README.md
@@ -1,4 +1,6 @@
 ## images
 https://hub.docker.com/u/devcm
 
+```shell
 docker build --no-cache ./ -t ${IMAGE_TAG}:latest -t ${IMAGE_TAG}:${VERSION} --build-arg VERSION="${VERSION}"
+```