diff --git a/references/S04 Creating and Using Containers.txt b/references/S04 Creating and Using Containers.txt
index 0501533e..dd6bd15a 100644
--- a/references/S04 Creating and Using Containers.txt	
+++ b/references/S04 Creating and Using Containers.txt	
@@ -222,7 +222,7 @@ docker container run -d --net dude --net-alias search elasticsearch:2
 
 docker container ls
 
-docker container run --rm -- net dude alpine nslookup search
+docker container run --rm --net dude alpine nslookup search
 
 docker container run --rm --net dude centos curl -s search:9200