diff --git a/core/modules/book/book.module b/core/modules/book/book.module
index 5e87f43..01c08a9 100644
--- a/core/modules/book/book.module
+++ b/core/modules/book/book.module
@@ -309,7 +309,7 @@ function book_node_predelete(EntityInterface $node) {
 }
 
 /**
- * Implements hook_node_prepare_form().
+ * Implements hook_ENTITY_TYPE_prepare_form() for node entities.
  */
 function book_node_prepare_form(NodeInterface $node, $operation, FormStateInterface $form_state) {
   /** @var \Drupal\book\BookManagerInterface $book_manager */
diff --git a/core/modules/menu_ui/menu_ui.module b/core/modules/menu_ui/menu_ui.module
index 69c23e3..7209e41 100644
--- a/core/modules/menu_ui/menu_ui.module
+++ b/core/modules/menu_ui/menu_ui.module
@@ -223,7 +223,7 @@ function menu_ui_node_predelete(EntityInterface $node) {
 }
 
 /**
- * Implements hook_node_prepare_form().
+ * Implements hook_ENTITY_TYPE_prepare_form() for node entities.
  */
 function menu_ui_node_prepare_form(NodeInterface $node, $operation, FormStateInterface $form_state) {
   if (empty($form_state['menu_link_definition'])) {