Update Changelog with bower instructions

CHANGELOG.md

@@ -8,9 +8,9 @@
 - Lighter output:
     - `@media` query updated, inspired by @bjankord's [research on the matter](http://www.brettjankord.com/2012/11/28/cross-browser-retinahigh-resolution-media-queries/ "Brett Jankord  – Cross Browser Retina/High Resolution Media Queries").
     - Use `background-size` standard notation since all targeted devices [support it](http://caniuse.com/background-img-opts "Can I use CSS3 Background-image options").
-- Ready to be installable as a [Bower](http://bower.io/ "BOWER: A package manager for the web") package (coming soon)
+- Ready to be installable as a [Bower](http://bower.io/ "BOWER: A package manager for the web") package: `bower install sass-hidpi`
 - License mentions contributors
 
 ## 1.0.0 (2012-10-26)
 
-- Initial release
+- Initial release