Update link in obsolete message

Author: mtscout6

README.md

@@ -2,7 +2,7 @@
 
 ## This repo is now obsolete.
 
-_See react-bootstrap/react-bootstrap#326_ We now publish directly from the
+_See [react-bootstrap#326](https://github.com/react-bootstrap/react-bootstrap/pull/326)_ We now publish directly from the
 source repo.
 
 [Bootstrap 3](http://getbootstrap.com) components built with [React](http://facebook.github.io/react/)