diff --git a/engine/admin/systemd.md b/engine/admin/systemd.md
index 1bb1d0385d..7697d910a8 100644
--- a/engine/admin/systemd.md
+++ b/engine/admin/systemd.md
@@ -55,7 +55,7 @@ To accomplish this, set the following flags in the `daemon.json` file:
 ```none
 {
     "graph": "/mnt/docker-data",
-    "storage-drivers": "overlay"
+    "storage-driver": "overlay"
 }
 ```