diff --git a/Doc/library/textwrap.rst b/Doc/library/textwrap.rst
@@ -282,6 +282,14 @@ hyphenated words; only then will long words be broken if necessary, unless
      .. versionadded:: 3.4


   .. index:: single: ...; placeholder

   .. attribute:: placeholder

@@ -105,7 +105,7 @@ def test_signature_wrap(self):
(width=70, initial_indent='', subsequent_indent='', expand_tabs=True,
    replace_whitespace=True, fix_sentence_endings=False, break_long_words=True,
    drop_whitespace=True, break_on_hyphens=True, tabsize=8, *, max_lines=None,
-    placeholder=' [...]')
Object for wrapping/filling text.  The public interface consists of
the wrap() and fill() methods; the other methods are just there for
subclasses to override in order to tweak the default behaviour.

diff --git a/Lib/test/test_textwrap.py b/Lib/test/test_textwrap.py
@@ -9,6 +9,7 @@
#

import unittest

from textwrap import TextWrapper, wrap, fill, dedent, indent, shorten

@@ -1133,5 +1134,72 @@ def test_first_word_too_long_but_placeholder_fits(self):
        self.check_shorten("Helloo", 5, "[...]")


if __name__ == '__main__':
    unittest.main()
Original file line number	Diff line number	Diff line change
		@@ -282,6 +282,14 @@ hyphenated words; only then will long words be broken if necessary, unless
		.. versionadded:: 3.4



		.. index:: single: ...; placeholder

		.. attribute:: placeholder
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