Minor reword

Author: javiereguiluz

_includes/_annotation_loader_tip.rst.inc

@@ -1,12 +1,12 @@
 .. note::
 
     In order to use the annotation loader, you should have installed the
-    ``doctrine/annotations`` and ``doctrine/cache`` packages from `Packagist`_.
+    ``doctrine/annotations`` and ``doctrine/cache`` packages with Composer.
 
 .. tip::
 
-    Remember that annotation classes aren't loaded automatically, so you should load
-    them like Symfony usually does in the ``app/autoload.php`` file::
+    Annotation classes aren't loaded automatically, so you must load them
+    like Symfony does in the ``app/autoload.php`` file::
 
         use Composer\Autoload\ClassLoader;
         use Doctrine\Common\Annotations\AnnotationRegistry;