update link

Author: fat

README.md

@@ -1,10 +1,11 @@
 # ZOOM
 
-A bit about our Image Zoom plugin: https://medium.com/about/fff05ab40630
+A bit about our Image Zoom plugin: https://medium.com/designing-medium/image-zoom-on-medium-24d146fc0c20
 
 Demo: https://fat.github.io/zoom.js
 
 ### HOW TO USE IT
 
 + Include `zoom.js` and `zoom.css` in your application. (note: zoom.js depends on [bootstrap's transition.js](https://raw.github.com/twbs/bootstrap/master/js/transition.js))
 + Add a `data-action="zoom"` attribute to the image tags you want to zoom.
+