diff --git a/engine/swarm/join-nodes.md b/engine/swarm/join-nodes.md
index 2750b8dc42..c4b2ec3b35 100644
--- a/engine/swarm/join-nodes.md
+++ b/engine/swarm/join-nodes.md
@@ -101,5 +101,5 @@ This node joined a swarm as a manager.
 
 ## Learn More
 
-* `swarm join`[command line reference](../reference/commandline/swarm_join.md)
+* `swarm join` [command line reference](../reference/commandline/swarm_join.md)
 * [Swarm mode tutorial](swarm-tutorial/index.md)