diff --git a/Readme.md b/Readme.md
index 23a9963..60f9fcb 100644
--- a/Readme.md
+++ b/Readme.md
@@ -14,7 +14,7 @@
 
 [![Stars Count](https://img.shields.io/github/stars/sunface/rust-by-practice?style=flat)](https://github.com/sunface/rust-by-practice/stargazers) 
 [![studyrut](https://img.shields.io/badge/StudyRust-orange)](https://github.com/studyrs) 
-[![LICENSE](https://img.shields.io/badge/license-CC-BY-4.0-green?style=flat)](https://github.com/sunface/rust-by-practice/blob/master/LICENSE)
+[![LICENSE](https://img.shields.io/badge/license-CC_BY_4.0-green?style=flat)](https://github.com/sunface/rust-by-practice/blob/master/LICENSE)
 </div>
 
 This book was designed for easily diving into and get skilled with Rust, and it's very easy to use: All you need to do is to make each exercise compile without ERRORS and Panics !