diff --git a/docs/swarm/key-concepts.md b/docs/swarm/key-concepts.md
index 73b9ddcd84..52ba645cb1 100644
--- a/docs/swarm/key-concepts.md
+++ b/docs/swarm/key-concepts.md
@@ -82,7 +82,7 @@ running the task for the service.  All nodes in the swarm cluster route ingress
 connections to a running task instance.
 
 Swarm mode has an internal DNS component that automatically assigns each service
-in the swarm DNS entry. The swarm manager uses **internal load balancing**
+in the swarm a DNS entry. The swarm manager uses **internal load balancing** to
 distribute requests among services within the cluster based upon the DNS name of
 the service.