diff --git a/docs/reference/commandline/swarm_init.md b/docs/reference/commandline/swarm_init.md
index 8c5f0a2f7c..e7f8f3f166 100644
--- a/docs/reference/commandline/swarm_init.md
+++ b/docs/reference/commandline/swarm_init.md
@@ -35,14 +35,14 @@ in the newly created one node Swarm cluster.
 ```bash
 $ docker swarm init --listen-addr 192.168.99.121:2377
 No --secret provided. Generated random secret:
-	4ao565v9jsuogtq5t8s379ulb
+    4ao565v9jsuogtq5t8s379ulb
 
 Swarm initialized: current node (1ujecd0j9n3ro9i6628smdmth) is now a manager.
 
 To add a worker to this swarm, run the following command:
-	docker swarm join --secret 4ao565v9jsuogtq5t8s379ulb \
-	--ca-hash sha256:07ce22bd1a7619f2adc0d63bd110479a170e7c4e69df05b67a1aa2705c88ef09 \
-	192.168.99.121:2377
+    docker swarm join --secret 4ao565v9jsuogtq5t8s379ulb \
+    --ca-hash sha256:07ce22bd1a7619f2adc0d63bd110479a170e7c4e69df05b67a1aa2705c88ef09 \
+    192.168.99.121:2377
 $ docker node ls
 ID                           HOSTNAME  MEMBERSHIP  STATUS  AVAILABILITY  MANAGER STATUS          LEADER
 1ujecd0j9n3ro9i6628smdmth *  manager1  Accepted    Ready   Active        Reachable               Yes