diff --git a/src/Composer/Factory.php b/src/Composer/Factory.php
index 4cad60d97..32b489ed4 100644
--- a/src/Composer/Factory.php
+++ b/src/Composer/Factory.php
@@ -27,6 +27,9 @@ use Composer\Util\RemoteFilesystem;
  */
 class Factory
 {
+    /**
+     * @return Config
+     */
     public static function createConfig()
     {
         // load main Composer configuration
diff --git a/src/Composer/Package/PackageInterface.php b/src/Composer/Package/PackageInterface.php
index 43a07d28b..43bd8b88c 100644
--- a/src/Composer/Package/PackageInterface.php
+++ b/src/Composer/Package/PackageInterface.php
@@ -288,7 +288,7 @@ interface PackageInterface
     /**
      * Returns the release date of the package
      *
-     * @return DateTime
+     * @return \DateTime
      */
     function getReleaseDate();