diff --git a/README.md b/README.md
index 4c5baad..e8a8c2b 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ the other API functions for accessing messages will be added at a later date.
 ## Usage
 
 ```java
-PostmanService postmanService = new PostmanService("<<POSTAL_SERVER_URL>>", "API_KEY");
+PostmanService postmanService = new PostmanService("<<POSTMAN_SERVER_URL>>", "API_KEY");
 
 PostmanMessage message = new PostmanMessageBuilder()
                 .from("no-reply@my-domain.com")