[doctrine] adding a rew more repo methods and fixing bad doc ref

Author: weaverryan

book/doctrine.rst

@@ -443,6 +443,18 @@ Once you have your repository, you have access to all sorts of helpful methods::
     Of course, you can also issue complex queries, which you'll learn more
     about in the :ref:`book-doctrine-queries` section.
 
+You can also take advantage of the useful ``findBy`` and ``findOneBy`` methods
+to easily fetch objects based on multiple conditions::
+
+    // query for one product matching be name and price
+    $product = $repository->findOneBy(array('name' => 'foo', 'price' => 19.99));
+
+    // query for all prdocuts matching the name, ordered by price
+    $product = $repository->findBy(
+        array('name' => 'foo'),
+        array('price', 'ASC')
+    );
+
 .. tip::
 
     When you render any page, you can see how many queries were made in the

cookbook/doctrine/doctrine_fixtures.rst

@@ -8,7 +8,7 @@ Fixtures are used to load a controlled set of data into a database. This data
 can be used for testing or could be the initial data required for the
 application to run smoothly. Symfony2 has no built in way to manage fixtures
 but Doctrine2 has a library to help you write fixtures for the Doctrine
-:doc:`ORM</book/doctrine/orm>` or :doc:`ODM</cookbook/doctrine/mongodb>`.
+:doc:`ORM</book/doctrine>` or :doc:`ODM</cookbook/doctrine/mongodb>`.
 
 Setup and Configuration
 -----------------------