diff --git a/swarm/swarm_at_scale/deploy-app.md b/swarm/swarm_at_scale/deploy-app.md
index be22cf83c7..301d910a81 100644
--- a/swarm/swarm_at_scale/deploy-app.md
+++ b/swarm/swarm_at_scale/deploy-app.md
@@ -306,7 +306,7 @@ the containers at once. This extra credit
service in the file file. This application relies on a volume and a network,
declare those at the bottom of the file.
-3. Check your work against this
+3. Check your work against this
result file
4. When you are satisfied, save the `docker-compose.yml` file to your system.