diff --git a/doc/user/project/clusters/serverless/index.md b/doc/user/project/clusters/serverless/index.md
index 9ecb109fa89..bebccf97987 100644
--- a/doc/user/project/clusters/serverless/index.md
+++ b/doc/user/project/clusters/serverless/index.md
@@ -121,9 +121,9 @@ In order to deploy functions to your Knative instance, the following files must
        runtime: https://gitlab.com/triggermesh/runtimes/raw/master/nodejs.yaml
        description: "echo function using node.js runtime"
        buildargs:
-         - DIRECTORY=echo
-     environment:
-       FUNCTION: echo
+        - DIRECTORY=echo
+       environment:
+        FUNCTION: echo
    ```