diff --git a/README.md b/README.md
index 7154de0..2d99a5d 100644
--- a/README.md
+++ b/README.md
@@ -2,7 +2,7 @@
 
 [![Go Unit Tests](https://github.com/Clement-Jean/grpc-go-course/actions/workflows/tests.yml/badge.svg)](https://github.com/Clement-Jean/grpc-go-course/actions/workflows/tests.yml) [![Lint protobuf](https://github.com/Clement-Jean/grpc-go-course/actions/workflows/lint.yml/badge.svg)](https://github.com/Clement-Jean/grpc-go-course/actions/workflows/lint.yml) ![cross-platform](https://img.shields.io/badge/Platform-windows%20%7C%20macos%20%7C%20linux-brightgreen) ![Udemy](.github/badges/udemy.svg)
 
-## COUPON: `START_FEB`
+## COUPON: `START_MAR`
 
 ## Notes