Issue #19795: Improved markup of True/False constants.
diff --git a/Doc/library/itertools.rst b/Doc/library/itertools.rst
index b37af61..6929192 100644
--- a/Doc/library/itertools.rst
+++ b/Doc/library/itertools.rst
@@ -51,7 +51,7 @@
chain.from_iterable iterable p0, p1, ... plast, q0, q1, ... ``chain.from_iterable(['ABC', 'DEF']) --> A B C D E F``
:func:`compress` data, selectors (d[0] if s[0]), (d[1] if s[1]), ... ``compress('ABCDEF', [1,0,1,0,1,1]) --> A C E F``
:func:`dropwhile` pred, seq seq[n], seq[n+1], starting when pred fails ``dropwhile(lambda x: x<5, [1,4,6,4,1]) --> 6 4 1``
-:func:`filterfalse` pred, seq elements of seq where pred(elem) is False ``filterfalse(lambda x: x%2, range(10)) --> 0 2 4 6 8``
+:func:`filterfalse` pred, seq elements of seq where pred(elem) is false ``filterfalse(lambda x: x%2, range(10)) --> 0 2 4 6 8``
:func:`groupby` iterable[, keyfunc] sub-iterators grouped by value of keyfunc(v)
:func:`islice` seq, [start,] stop [, step] elements from seq[start:stop:step] ``islice('ABCDEFG', 2, None) --> C D E F G``
:func:`starmap` func, seq func(\*seq[0]), func(\*seq[1]), ... ``starmap(pow, [(2,5), (3,2), (10,3)]) --> 32 9 1000``