From 0d61b251c5a6d55eb8a0ce6977e72078664e0a06 Mon Sep 17 00:00:00 2001
From: Takeshi KOMIYA <i.tkomiya@gmail.com>
Date: Sun, 14 Jan 2018 23:10:04 +0900
Subject: [PATCH] Update CHANGES for PR #4413

---
 CHANGES | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/CHANGES b/CHANGES
index fe964bb2e..41d512023 100644
--- a/CHANGES
+++ b/CHANGES
@@ -22,6 +22,9 @@ Incompatible changes
 * autodoc does not generate warnings messages to the generated document even if
   :confval:`keep_warnings` is True.  They are only emitted to stderr.
 * shebang line is removed from generated conf.py
+* #2557: autodoc: :confval:`autodoc_mock_imports` only mocks specified modules
+  with their descendants.  It does not mock their ancestors.  If you want to
+  mock them, please specify the name of ancestors implicitly.
 
 Deprecated
 ----------