diff --git a/package_manager/src/Event/PostDestroyEvent.php b/package_manager/src/Event/PostDestroyEvent.php
index 3388a988e126da919dfbc598946910f38b86cbbe..4e6382b59a23262157d63e64b913fd71380dffb9 100644
--- a/package_manager/src/Event/PostDestroyEvent.php
+++ b/package_manager/src/Event/PostDestroyEvent.php
@@ -4,6 +4,11 @@ namespace Drupal\package_manager\Event;
 
 /**
  * Event fired after the staging area is destroyed.
+ *
+ * If the stage is being force destroyed ::getStage() may return an instance of
+ * Stage that is different from the instance that created the stage.
+ *
+ * @see \Drupal\package_manager\Stage::destroy()
  */
 class PostDestroyEvent extends StageEvent {
 }
diff --git a/package_manager/src/Event/PreDestroyEvent.php b/package_manager/src/Event/PreDestroyEvent.php
index d4918f0b8b75c96a1b62a141b029c086996a3f54..0f0dedb2b7fe78a8cb2bc04c056b985b9483d422 100644
--- a/package_manager/src/Event/PreDestroyEvent.php
+++ b/package_manager/src/Event/PreDestroyEvent.php
@@ -4,6 +4,11 @@ namespace Drupal\package_manager\Event;
 
 /**
  * Event fired before the staging area is destroyed.
+ *
+ * If the stage is being force destroyed ::getStage() may return an instance of
+ * Stage that is different from the instance that created the stage.
+ *
+ * @see \Drupal\package_manager\Stage::destroy()
  */
 class PreDestroyEvent extends PreOperationStageEvent {
 }
diff --git a/package_manager/src/Stage.php b/package_manager/src/Stage.php
index 4432089cd00f7d45e4ebe0271a7d1beee31bcedd..1e3bd02df4ac27a6d02e0c73030a2c689f8e5535 100644
--- a/package_manager/src/Stage.php
+++ b/package_manager/src/Stage.php
@@ -407,12 +407,16 @@ class Stage {
   }
 
   /**
-   * Ensures that the current user or session owns the staging area.
+   * Validates the ownership of staging area.
+   *
+   * The stage is considered under valid ownership if it was created by current
+   * user or session, using the current class.
    *
    * @throws \LogicException
    *   If ::claim() has not been previously called.
    * @throws \Drupal\package_manager\Exception\StageOwnershipException
-   *   If the current user or session does not own the staging area.
+   *   If the current user or session does not own the staging area, or it was
+   *   created by a different class.
    */
   final protected function checkOwnership(): void {
     if (empty($this->lock)) {