Punctuation typo.
diff --git a/Doc/library/collections.rst b/Doc/library/collections.rst
index 4a92b05..488bf35 100644
--- a/Doc/library/collections.rst
+++ b/Doc/library/collections.rst
@@ -975,7 +975,7 @@
:class:`Sized` ``__len__``
:class:`Callable` ``__call__``
-:class:`Sequence` :class:`Sized`, ``__getitem__`` ``__contains__``. ``__iter__``, ``__reversed__``.
+:class:`Sequence` :class:`Sized`, ``__getitem__`` ``__contains__``. ``__iter__``, ``__reversed__``,
:class:`Iterable`, ``index``, and ``count``
:class:`Container`