diff --git a/core/lib/Drupal.php b/core/lib/Drupal.php
index 1ef09b9..8031c2b 100644
--- a/core/lib/Drupal.php
+++ b/core/lib/Drupal.php
@@ -138,7 +138,7 @@ public static function database() {
    *   (optional) The cache bin for which the cache object should be returned,
    *   defaults to 'cache'.
    *
-   * @return Drupal\Core\Cache\CacheBackendInterface
+   * @return \Drupal\Core\Cache\CacheBackendInterface
    *   The cache object associated with the specified bin.
    */
   public static function cache($bin = 'cache') {
@@ -179,7 +179,7 @@ public static function lock() {
    *   a configuration file. For @code config('book.admin') @endcode, the config
    *   object returned will contain the contents of book.admin configuration file.
    *
-   * @return Drupal\Core\Config\Config
+   * @return \Drupal\Core\Config\Config
    *   A configuration object.
    */
   public static function config($name) {
@@ -192,11 +192,11 @@ public static function config($name) {
    * The following variables can be set by variable_set or $conf overrides:
    * - queue_class_$name: The class to be used for the queue $name.
    * - queue_default_class: The class to use when queue_class_$name is not
-   *   defined. Defaults to Drupal\Core\Queue\System, a reliable backend using
+   *   defined. Defaults to \Drupal\Core\Queue\System, a reliable backend using
    *   SQL.
    * - queue_default_reliable_class: The class to use when queue_class_$name is
    *   not defined and the queue_default_class is not reliable. Defaults to
-   *   Drupal\Core\Queue\System.
+   *   \Drupal\Core\Queue\System.
    *
    * @param string $name
    *   The name of the queue to work with.
@@ -205,7 +205,7 @@ public static function config($name) {
    *   executes at least once is important, FALSE if scalability is the main
    *   concern. Defaults to FALSE.
    *
-   * @return Drupal\Core\Queue\QueueInterface
+   * @return \Drupal\Core\Queue\QueueInterface
    *   The queue object for a given name.
    */
   public static function queue($name, $reliable = FALSE) {
@@ -233,7 +233,7 @@ public static function keyValue($collection) {
    * needs to be the same across development, production, etc. environments
    * (for example, the system maintenance message) should use config() instead.
    *
-   * @return Drupal\Core\KeyValueStore\KeyValueStoreInterface
+   * @return \Drupal\Core\KeyValueStore\KeyValueStoreInterface
    */
   public static function state() {
     return static::$container->get('state');
@@ -242,7 +242,7 @@ public static function state() {
   /**
    * Returns the default http client.
    *
-   * @return Guzzle\Http\ClientInterface
+   * @return \Guzzle\Http\ClientInterface
    *   A guzzle http client instance.
    */
   public static function httpClient() {