diff --git a/node/README.md b/node/README.md
index 95ca5db..b6b69cd 100644
--- a/node/README.md
+++ b/node/README.md
@@ -75,7 +75,12 @@ Steps to deploy node on a Kubernetes cluster:
    curl <nodeIP>:30001
    ```
 
-   
+### Environment variables
+
+When you start the node image, you can adjust the configuration of the instance by passing the environment variable on the docker run command line. Manual execution add a -e option with the variable and value:
+   ```
+   docker run -it -e NAME="some-node" --rm clearlinux/node
+   ```
 
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