diff --git a/README.md b/README.md
index 4a19c8e..0c40588 100644
--- a/README.md
+++ b/README.md
@@ -117,8 +117,9 @@ sc = SparkContext(conf=conf)
 
 ### Tunneling to the Jupyter Notebook
 ```bash
-ssh -f -N -L localhost:44041:10.58.2.201:4041 tgu@login1.berkeley.kbase.us
+ssh -f -N -L localhost:44041:10.58.2.201:4041 <kbase_developer_username>@login1.berkeley.kbase.us
 ```
+where ```kbase_developer_username``` is an Argonne account usually starting with `ac.`.
 
 ### Accessing the Jupyter Notebook
 Navigate to [http://localhost:44041/](http://localhost:44041/) in your browser.