diff --git a/core/lib/Drupal/Core/Extension/ModuleEvent.php b/core/lib/Drupal/Core/Extension/ModuleEvent.php
index 37ca453..83d5234 100644
--- a/core/lib/Drupal/Core/Extension/ModuleEvent.php
+++ b/core/lib/Drupal/Core/Extension/ModuleEvent.php
@@ -12,7 +12,7 @@
 class ModuleEvent extends Event {
 
   /**
-   * The installed / uninstall module.
+   * The installed / uninstall module machine name.
    *
    * @var string
    */
@@ -22,7 +22,7 @@ class ModuleEvent extends Event {
    * Creates a new ModuleEvent instance.
    *
    * @param string $module
-   *   The installed / uninstalled module.
+   *   The installed / uninstalled module machine name.
    */
   public function __construct($module) {
     $this->module = $module;
@@ -30,7 +30,7 @@ public function __construct($module) {
 
 
   /**
-   * Returns the installed / uninstall module.
+   * Returns the installed / uninstall module machine name.
    *
    * @return string
    */