Update Readme to correct point number

Author: jegtnes

README.md

@@ -9,7 +9,7 @@ Picturefill has three versions:
 
 * Version 1 mimics the Picture element pattern with `span` elements. It is no longer maintained.
 * Version 2 is a lightweight polyfill of the [Picture element draft specification](http://www.whatwg.org/specs/web-apps/current-work/multipage/embedded-content.html#embedded-content).
-* Version 3.0.2 is the current stable release.
+* Version 3.0.3 is the current stable release.
 
 ## Usage, Demos, Docs
 To find out how to use Picturefill, visit the [project site](http://scottjehl.github.com/picturefill/).