adjust link to phpcr migrations bundle

Author: dbu

README.md

@@ -8,7 +8,7 @@ Migrations library for PHPCR influenced by [Doctrine
 migrations](https://github.com/doctrine/migrations).
 
 For integration with Symfony see the [PHPCR Migrations
-Bundle](https://github.com/dantleech/phpcr-migrations-bundle).
+Bundle](https://github.com/phpcr/phpcr-migrations-bundle).
 
 Usage
 -----