Clarify that named tuples do not have to subclass tuple.

diff --git a/Doc/glossary.rst b/Doc/glossary.rst
index 0eb31117502a1af0dbeb2ac26b78bfb1292273df..808993e18e842baded256a9a8a346d2ab5c48d89 100644 (file)
--- a/Doc/glossary.rst
+++ b/Doc/glossary.rst
@@ -396,7 +396,7 @@ Glossary
       also :term:`immutable`.
 
    named tuple
-      Any tuple subclass whose indexable elements are also accessible using
+      Any tuple-like class whose indexable elements are also accessible using
       named attributes (for example, :func:`time.localtime` returns a
       tuple-like object where the *year* is accessible either with an
       index such as ``t[0]`` or with a named attribute like ``t.tm_year``).