Update README.md

Author: optimalisatie

README.md

@@ -2,7 +2,7 @@
 
 **This widget is deprecated and may not work in newer browsers.**
 
-For an improved widget, see [📐 Style.Tools - Dev Tools for CSS Optimization](https://github.com/style-tools/browser-widget) (browser widget).
+For an improved widget, see [📐 Style.Tools - Dev Tools for CSS Optimization](https://github.com/style-tools/browser-widget).
 
 ![image](https://user-images.githubusercontent.com/8843669/50854430-4aeaf100-1385-11e9-8f96-7d05619ed10a.png)