badge fix

Author: priom

README.md

@@ -2,7 +2,8 @@
 <a href="https://t.me/polymathnetwork"><img src="https://img.shields.io/badge/50k+-telegram-blue.svg" target="_blank"></a>
 
 [![dependencies Status](https://david-dm.org/PolymathNetwork/polymath.js.svg)](https://david-dm.org/PolymathNetwork/polymath.js)
-[![devDependencies Status](https://david-dm.org/PolymathNetwork/polymath.js.svg)](https://david-dm.org/PolymathNetwork/polymath.js)
+[![devDependencies Status](https://david-dm.org/PolymathNetwork/polymath.js/dev-status.svg)](https://david-dm.org/PolymathNetwork/polymath.js?type=dev)
+
 
 <!--img src="https://img.shields.io/badge/bounties-1,000,000-green.svg" href="/issues-->