Fix a sentence I missed before. Do not merge to 3k.
diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index 52a8415..c834743 100644
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -412,7 +412,7 @@
:term:`immutable` keys rather than integers.
slice
- A list containing a portion of an indexed list-like object. A slice is
+ An object usually containing a portion of a :term:`sequence`. A slice is
created using the subscript notation, ``[]`` with colons between numbers
when several are given, such as in ``variable_name[1:3:5]``. The bracket
(subscript) notation uses :class:`slice` objects internally (or in older