diff --git a/get-started/index.md b/get-started/index.md
index ae70d49695..61c7583113 100644
--- a/get-started/index.md
+++ b/get-started/index.md
@@ -209,7 +209,7 @@ docker image ls
 
 ## List Docker containers (running, all, all in quiet mode)
 docker container ls
-docker container ls -all
+docker container ls --all
 docker container ls -a -q
 ```