diff --git a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToRfc3339TransformerTest.php b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToRfc3339TransformerTest.php
index 40195cb517..8aae8e0935 100644
--- a/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToRfc3339TransformerTest.php
+++ b/src/Symfony/Component/Form/Tests/Extension/Core/DataTransformer/DateTimeToRfc3339TransformerTest.php
@@ -117,6 +117,6 @@ class DateTimeToRfc3339TransformerTest extends DateTimeTestCase
     {
         $transformer = new DateTimeToRfc3339Transformer('UTC', 'UTC');
 
-        var_dump($transformer->reverseTransform('2010-04-31T04:05Z'));
+        $transformer->reverseTransform('2010-04-31T04:05Z');
     }
 }
diff --git a/src/Symfony/Component/HttpFoundation/HeaderBag.php b/src/Symfony/Component/HttpFoundation/HeaderBag.php
index f3895f464e..b579eb991a 100644
--- a/src/Symfony/Component/HttpFoundation/HeaderBag.php
+++ b/src/Symfony/Component/HttpFoundation/HeaderBag.php
@@ -149,7 +149,7 @@ class HeaderBag implements \IteratorAggregate, \Countable
      *
      * @param string       $key     The key
      * @param string|array $values  The value or an array of values
-     * @param Boolean      $replace Whether to replace the actual value of not (true by default)
+     * @param Boolean      $replace Whether to replace the actual value or not (true by default)
      *
      * @api
      */