diff --git a/core/language/en-GB/Help/server.tid b/core/language/en-GB/Help/server.tid
index 9795b09c4..427de6161 100644
--- a/core/language/en-GB/Help/server.tid
+++ b/core/language/en-GB/Help/server.tid
@@ -34,8 +34,9 @@ The username and password can be specified as empty strings if you need to set t
 --server 8080 $:/core/save/all text/plain text/html "" "" 192.168.0.245
 ```
 
-To run multiple TiddlyWiki servers at the same time you'll need to put each one on a different port. It can be useful to use an environment variable to set the port. This examples listens on the port number specified in the environment variable "PORT":
+To run multiple TiddlyWiki servers at the same time you'll need to put each one on a different port. It can be useful to use an environment variable to pass the port number to the Node.js process. This example references an environment variable called "MY_PORT_NUMBER":
+
 
 ```
---server PORT
+--server MY_PORT_NUMBER $:/core/save/all text/plain text/html MyUserName passw0rd
 ```