Fixed link

README.md

@@ -7,7 +7,7 @@
 <a href="https://www.npmjs.com/package/oji"><img src="https://badge.fury.io/js/oji.svg" alt="npm Package"></a>  
 <a href="https://travis-ci.org/xxczaki/oji"><img src="https://travis-ci.org/xxczaki/oji.svg?branch=master" alt="Build Status"></a> 
 <a href="https://github.com/sindresorhus/xo"><img src="https://img.shields.io/badge/code_style-XO-5ed9c7.svg" alt="XO Code Style"></a>
-<a href="*"><img src="https://img.shields.io/badge/unicorn-approved-ff69b4.svg" alt="Unicorn Approved"></a>
+<a href="https://www.youtube.com/watch?v=9auOCbH5Ns4"><img src="https://img.shields.io/badge/unicorn-approved-ff69b4.svg" alt="Unicorn Approved"></a>
   </p>
 
 <p align="center"><img src="https://i.imgur.com/FUaVbLd.gif" alt="GIF"></p>