#9562: slight clarification.
diff --git a/Doc/library/stdtypes.rst b/Doc/library/stdtypes.rst
index bd8b421..77406c7 100644
--- a/Doc/library/stdtypes.rst
+++ b/Doc/library/stdtypes.rst
@@ -2157,7 +2157,7 @@
existing keys. Return ``None``.
:meth:`update` accepts either another dictionary object or an iterable of
- key/value pairs (as a tuple or other iterable of length two). If keyword
+ key/value pairs (as tuples or other iterables of length two). If keyword
arguments are specified, the dictionary is then updated with those
key/value pairs: ``d.update(red=1, blue=2)``.