diff --git a/src/Composer/Package/CompletePackage.php b/src/Composer/Package/CompletePackage.php
index 418c87d9e..a884174af 100644
--- a/src/Composer/Package/CompletePackage.php
+++ b/src/Composer/Package/CompletePackage.php
@@ -47,7 +47,7 @@ class CompletePackage extends Package implements CompletePackageInterface
     /**
      * Set the repositories
      *
-     * @param string $repositories
+     * @param array $repositories
      */
     public function setRepositories($repositories)
     {
diff --git a/src/Composer/Package/PackageInterface.php b/src/Composer/Package/PackageInterface.php
index 50553f9c4..a51274d5b 100644
--- a/src/Composer/Package/PackageInterface.php
+++ b/src/Composer/Package/PackageInterface.php
@@ -118,7 +118,7 @@ interface PackageInterface
     /**
      * Returns the repository urls of this package including mirrors, e.g. git://github.com/naderman/composer.git
      *
-     * @return string
+     * @return array
      */
     public function getSourceUrls();
 
@@ -153,7 +153,7 @@ interface PackageInterface
     /**
      * Returns the urls of the distribution archive of this version, including mirrors
      *
-     * @return string
+     * @return array
      */
     public function getDistUrls();