bpo:29950: Rename SlotWrapperType to WrapperDescriptorType (GH-926)

diff --git a/Doc/library/types.rst b/Doc/library/types.rst
index 2602e3c..89aca9c 100644
--- a/Doc/library/types.rst
+++ b/Doc/library/types.rst
@@ -132,7 +132,7 @@
    C".)
 
 
-.. data:: SlotWrapperType
+.. data:: WrapperDescriptorType
 
    The type of methods of some built-in data types and base classes such as
    :meth:`object.__init__` or :meth:`object.__lt__`.
diff --git a/Lib/test/test_types.py b/Lib/test/test_types.py
index 67d3281..3fd66db 100644
--- a/Lib/test/test_types.py
+++ b/Lib/test/test_types.py
@@ -577,10 +577,10 @@
         self.assertGreater(tuple.__itemsize__, 0)
 
     def test_slot_wrapper_types(self):
-        self.assertIsInstance(object.__init__, types.SlotWrapperType)
-        self.assertIsInstance(object.__str__, types.SlotWrapperType)
-        self.assertIsInstance(object.__lt__, types.SlotWrapperType)
-        self.assertIsInstance(int.__lt__, types.SlotWrapperType)
+        self.assertIsInstance(object.__init__, types.WrapperDescriptorType)
+        self.assertIsInstance(object.__str__, types.WrapperDescriptorType)
+        self.assertIsInstance(object.__lt__, types.WrapperDescriptorType)
+        self.assertIsInstance(int.__lt__, types.WrapperDescriptorType)
 
     def test_method_wrapper_types(self):
         self.assertIsInstance(object().__init__, types.MethodWrapperType)
diff --git a/Lib/types.py b/Lib/types.py
index 1b7859e..929cba2 100644
--- a/Lib/types.py
+++ b/Lib/types.py
@@ -36,7 +36,7 @@
 BuiltinFunctionType = type(len)
 BuiltinMethodType = type([].append)     # Same as BuiltinFunctionType
 
-SlotWrapperType = type(object.__init__)
+WrapperDescriptorType = type(object.__init__)
 MethodWrapperType = type(object().__str__)
 MethodDescriptorType = type(str.join)
 
diff --git a/Misc/NEWS b/Misc/NEWS
index bf0c015..d9b13c7 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -512,7 +512,7 @@
 - Issue #29444: Fixed out-of-bounds buffer access in the group() method of
   the match object.  Based on patch by WGH.
 
-- Issue #29377: Add SlotWrapperType, MethodWrapperType, and
+- Issue #29377: Add WrapperDescriptorType, MethodWrapperType, and
   MethodDescriptorType built-in types to types module.
   Original patch by Manuel Krebber.