diff --git a/core/lib/Drupal/Core/StreamWrapper/LocalStream.php b/core/lib/Drupal/Core/StreamWrapper/LocalStream.php
index 9a041f1..0cc285c 100644
--- a/core/lib/Drupal/Core/StreamWrapper/LocalStream.php
+++ b/core/lib/Drupal/Core/StreamWrapper/LocalStream.php
@@ -339,18 +339,14 @@ public function stream_close() {
   }
 
   /**
-   * Signal that stream_select is not supported by returning false.
-   *
-   * Fixes warnings messages like this:
-   *   finfo::file() [finfo.file]: Drupal\Core\StreamWrapper\PrivateStream::stream_cast is not implemented!
+   * Signals that stream_select() is not supported by returning false.
    *
    * @param int
-   *   Can be STREAM_CAST_FOR_SELECT or STREAM_CAST_AS_STREAM
+   *   Can be STREAM_CAST_FOR_SELECT or STREAM_CAST_AS_STREAM.
    *
-   * @return bool false
+   * @return false
    *
-   * @see http://drupal.org/node/1561362
-   * @see: http://php.net/manual/en/streamwrapper.stream-cast.php
+   * @see http://php.net/manual/en/streamwrapper.stream-cast.php
    */
   public function stream_cast($cast_as) {
     return false;
diff --git a/core/modules/image/lib/Drupal/image/Tests/ImageStylesPathAndUrlTest.php b/core/modules/image/lib/Drupal/image/Tests/ImageStylesPathAndUrlTest.php
index 987be11..07ea3fb 100644
--- a/core/modules/image/lib/Drupal/image/Tests/ImageStylesPathAndUrlTest.php
+++ b/core/modules/image/lib/Drupal/image/Tests/ImageStylesPathAndUrlTest.php
@@ -150,8 +150,7 @@ function _testImageStyleUrlAndPath($scheme, $clean_url = TRUE, $extra_slash = FA
     $this->assertEqual($this->drupalGetHeader('Content-Length'), $generated_image_info['file_size'], 'Expected Content-Length was reported.');
     if ($scheme == 'private') {
       $this->assertEqual($this->drupalGetHeader('Expires'), 'Sun, 19 Nov 1978 05:00:00 GMT', 'Expires header was sent.');
-      // Checking that the 'Cache-Control' header contains 'no-cache'
-      $this->assertNotEqual(strpos($this->drupalGetHeader('Cache-Control'), 'no-cache'), FALSE, 'Cache-Control header was set to prevent caching.');
+      $this->assertNotEqual(strpos($this->drupalGetHeader('Cache-Control'), 'no-cache'), FALSE, 'Cache-Control header contains \'no-cache\' to prevent caching.');
       $this->assertEqual($this->drupalGetHeader('X-Image-Owned-By'), 'image_module_test', 'Expected custom header has been added.');
 
       // Make sure that a second request to the already existing derivate works