From f8514fe434e5998b6873315c6525c6efc8930d99 Mon Sep 17 00:00:00 2001
From: webchick <drupal@webchick.net>
Date: Sat, 18 Apr 2015 03:41:39 -0700
Subject: [PATCH] Issue #2331783 by rpayanm, gerzenstl, keopx, rgristroph,
 nlisgo, er.pushpinderrana, andypost, rteijeiro, alexpott, BFox, omessaoudi:
 hook_ENTITY_TYPE_prepare_form() is not documented

---
 core/modules/book/book.module | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/core/modules/book/book.module b/core/modules/book/book.module
index 356f68b53b4..ebb821cd061 100644
--- a/core/modules/book/book.module
+++ b/core/modules/book/book.module
@@ -294,7 +294,7 @@ 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 */