diff --git a/README.md b/README.md
index b0b06d9..d9bf114 100644
--- a/README.md
+++ b/README.md
@@ -5,9 +5,9 @@ trusted repository in Droneci. But as we are using docker and dagger, this can
 be done locally just as well
 
 ```bash
-export dagger-tag=$(openssl rand -hex 12)
-docker build -t dagger-test-builder:${dagger-tag} .
-docker run -v /var/run/docker.sock:/var/run/docker.sock dagger-test-builder:${dagger-tag} ./dagger 'https://github.com/kpenfound/greetings-api.git'
+dagger_tag=$(openssl rand -hex 12)
+docker build -t dagger-test-builder:${dagger_tag} .
+docker run -v /var/run/docker.sock:/var/run/docker.sock dagger-test-builder:${dagger_tag} ./dagger 'https://github.com/kpenfound/greetings-api.git'
 ```
 
 ![recording of above command](assets/demo.gif)