diff --git a/core/lib/Drupal/Core/Entity/Entity.php b/core/lib/Drupal/Core/Entity/Entity.php
index 0e3c8ba..b69ba1d 100644
--- a/core/lib/Drupal/Core/Entity/Entity.php
+++ b/core/lib/Drupal/Core/Entity/Entity.php
@@ -432,7 +432,11 @@ public static function loadMultiple(array $ids = NULL) {
   }
 
   /**
-   * Tries to guess an entity type ID based on the class that is called.
+   * Returns the entity type ID based on the class that is called on.
+   *
+   * Compares the class this is called on against the known entity classes
+   * and returns the entity type ID of a direct match or a subclass as fallback,
+   * to support entity type definitions that were altered.
    *
    * @return string
    *   The entity type ID.
@@ -441,6 +445,9 @@ public static function loadMultiple(array $ids = NULL) {
    *   Thrown when multiple subclasses correspond to the called class.
    * @throws \Drupal\Core\Entity\Exception\NoCorrespondingEntityClassException
    *   Thrown when no entity class corresponds to the called class.
+   *
+   * @see \Drupal\Core\Entity\Entity::load()
+   * @see \Drupal\Core\Entity\Entity::loadMultiple()
    */
   protected static function getEntityTypeFromStaticClass() {
     $called_class = get_called_class();