diff --git a/README.md b/README.md
index 3ac00e90..016c2128 100644
--- a/README.md
+++ b/README.md
@@ -166,7 +166,7 @@ If it's easier you can also run a relay with Docker:
 
 
 ```
-$ docker run -d -p 9009:9009 -p 9010:9010 -p 9011:9011 -p 9012:9012 -p 9013:9013 -e CROC_PASS='YOURPASSWORD' schollz/croc
+$ docker run -d -p 9009-9013:9009-9013 -e CROC_PASS='YOURPASSWORD' schollz/croc
 ```
 
 Be sure to include the password for the relay otherwise any requests will be rejected.