diff --git a/Controller.php b/Controller.php
index 112624e..fe250ce 100644
--- a/Controller.php
+++ b/Controller.php
@@ -72,7 +72,7 @@ class Controller extends ModuleAbstract implements WebInterface
     /**
      * Providing.
      *
-     * @var string
+     * @var string[]
      * @since 1.0.0
      */
     protected static $providing = [