diff --git a/README.md b/README.md
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--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 The "REST with Spring" Classes
 ==============================
 This is what I'm working on: <br/>
-**[>> THE REST WITH SPRING CLASSES](http://www.baeldung.com/rest-with-spring-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=50off)**
+**[>> THE REST WITH SPRING CLASSES](http://www.baeldung.com/rest-with-spring-course?utm_source=github&utm_medium=social&utm_content=tutorials&utm_campaign=25off)**
 
 
 Spring Tutorials