diff --git a/docs/installation-containerized/docker.md b/docs/installation-containerized/docker.md
index 7017f3bc..63391cc8 100644
--- a/docs/installation-containerized/docker.md
+++ b/docs/installation-containerized/docker.md
@@ -65,7 +65,7 @@ Using a custom docker image is the preferred approach, as it gives you the stabi
     * e.g.
 
     ```docker
-      x-allianceauth-base: &allianceauth-base
+    x-allianceauth-base: &allianceauth-base
       # image: ${AA_DOCKER_TAG?err}
       build:
         context: .