diff --git a/application/libraries/PluginManager/PluginManager.php b/application/libraries/PluginManager/PluginManager.php
index dfbc76c47a0..bed06ef0d4f 100644
--- a/application/libraries/PluginManager/PluginManager.php
+++ b/application/libraries/PluginManager/PluginManager.php
@@ -28,7 +28,7 @@ class PluginManager extends \PluginManager {
     protected $stores = array();
 
     /**
-     * @var array Tuple like ($plugin, $method)
+     * @var array<string, array> Array with string key to tuple value like 'eventName' => array($plugin, $method)
      */
     protected $subscriptions = array();