diff --git a/docs/installation/linux/ubuntulinux.md b/docs/installation/linux/ubuntulinux.md
index 1807874c12..4371135a8b 100644
--- a/docs/installation/linux/ubuntulinux.md
+++ b/docs/installation/linux/ubuntulinux.md
@@ -391,7 +391,7 @@ To specify a DNS server for use by Docker:
 
 5. Restart the Docker daemon.
 
-        $ sudo restart docker
+        $ sudo service docker restart