diff --git a/swarm/status-code-comparison-to-docker.md b/swarm/status-code-comparison-to-docker.md
index bf5fddea97..95071c463f 100644
--- a/swarm/status-code-comparison-to-docker.md
+++ b/swarm/status-code-comparison-to-docker.md
@@ -8,7 +8,7 @@ title: Swarm vs. Engine response codes
 
 Docker Engine provides a REST API for making calls to the Engine daemon. Docker Swarm allows a caller to make the same calls to a cluster of Engine daemons. While the API calls are the same, the API response status codes do differ. This document explains the differences.
 
-Four methods are included, and they are GET, POST, PUT and DELETE.
+Four methods are included, and they are GET, POST, PUT, and DELETE.
 
 The comparison is based on api v1.22, and all Docker Status Codes in api v1.22 are referenced from [docker-remote-api-v1.22](https://github.com/moby/moby/blob/master/docs/reference/api/docker_remote_api_v1.22.md
 ).