diff --git a/client-webserver/README b/client-webserver/README
index 728e3c3a1..b403422bd 100644
--- a/client-webserver/README
+++ b/client-webserver/README
@@ -2,6 +2,7 @@ In this directory are tools that will run on webservers for sysadmins to
 automatically obtain their certs
 
 
-Set CHOCOLATESERVER environment variable for client.py!
+Set CHOCOLATESERVER environment variable for client.py, or pass the server
+name as a command line argument!
 
 client.py - experimental tool for making requests and parsing replies