updated readme

README.md

@@ -1,8 +1,13 @@
 mercury
 =======
 
-Chrome extension: Type-to-search your tabs
+Too many chrome tabs open? Me too.
+
+Mercury provides a search box which lets you instantly switch to the tab you're looking for (across windows and desktops).
+
+Download / install: https://chrome.google.com/webstore/detail/mercury/jecgkhhikedmghacamdomkngdfdodbcb
+
+Author website: http://benvan.co.uk
 
-Download: https://chrome.google.com/webstore/detail/mercury/jecgkhhikedmghacamdomkngdfdodbcb
 
 ![Type to search](screenie.png?raw=true "screenshot")