diff --git a/README.md b/README.md
index c79c5c0..44148b9 100644
--- a/README.md
+++ b/README.md
@@ -4,7 +4,7 @@ The cluster by default uses data replication "2". To change it edit the hdfs-sit
 
 To start the namenode run 
 
-    docker run --name namenode -h bde2020/hadoop-namenode
+    docker run --name namenode -h namenode bde2020/hadoop-namenode
 
 To start two datanodes on the same host run