add changelog notice and cleanup phpdoc

Author: dbu

CHANGELOG.md

@@ -1,6 +1,12 @@
 Changelog
 =========
 
+1.4.0
+-----
+
+* **2016-02-27**: Added ContentRepositoryEnhancer that can look up a content by
+  ID from a content repository.
+
 1.4.0-RC1
 ---------
 

Enhancer/ContentRepositoryEnhancer.php

@@ -16,16 +16,18 @@
 use Symfony\Component\HttpFoundation\Request;
 
 /**
- * This enhancer sets the content to target field if the route has content id.
+ * This enhancer uses a ContentRepositoryInterface to load a content if $target
+ * is empty.
  *
- * Works with ContentRepositoryInterface that you can search the content.
+ * $source specifies the field that contains the ID to load, $target specifies
+ * the field where to put the content returned by the repository.
  *
  * @author Samusev Andrey
  */
 class ContentRepositoryEnhancer implements RouteEnhancerInterface
 {
     /**
-     * @var Repository
+     * @var ContentRepositoryInterface
      */
     private $contentRepository;
 
@@ -42,7 +44,7 @@ class ContentRepositoryEnhancer implements RouteEnhancerInterface
     /**
      * @param ContentRepositoryInterface $contentRepository repository to search for the content
      * @param string                     $target            the field name to set content
-     * @param string                     $source            the field name of the content id
+     * @param string                     $source            the field name of the request parameter that contains the id
      */
     public function __construct(
         ContentRepositoryInterface $contentRepository,