diff --git a/content/engine/swarm/stack-deploy.md b/content/engine/swarm/stack-deploy.md
index f0f8ffed6c..7ac077060d 100644
--- a/content/engine/swarm/stack-deploy.md
+++ b/content/engine/swarm/stack-deploy.md
@@ -119,13 +119,13 @@ counter whenever you visit it.
 
     ```none
       services:
-      web:
-        image: 127.0.0.1:5000/stackdemo
-        build: .
-        ports:
-          - "8000:8000"
-      redis:
-        image: redis:alpine
+        web:
+          image: 127.0.0.1:5000/stackdemo
+          build: .
+          ports:
+            - "8000:8000"
+        redis:
+          image: redis:alpine
     ```
 
     The image for the web app is built using the Dockerfile defined
@@ -294,4 +294,4 @@ The stack is now ready to be deployed.
     $ docker swarm leave --force
 
     Node left the swarm.
-    ```
\ No newline at end of file
+    ```