From 345fb0bcac11ca2a5523e6ec07168e956eb34766 Mon Sep 17 00:00:00 2001
From: Hynek Schlawack <hs@ox.cx>
Date: Wed, 30 Dec 2020 12:39:03 +0100
Subject: [PATCH] Add versionchanged for #732

---
 src/attr/_make.py | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/attr/_make.py b/src/attr/_make.py
index 7992e1dd..255cf1a9 100644
--- a/src/attr/_make.py
+++ b/src/attr/_make.py
@@ -57,6 +57,8 @@ class _Nothing(object):
     Sentinel class to indicate the lack of a value when ``None`` is ambiguous.
 
     ``_Nothing`` is a singleton. There is only ever one of it.
+
+    .. versionchanged:: 21.1.0 ``bool(NOTHING)`` is now False.
     """
 
     _singleton = None