Add :term:s for iterator.
diff --git a/Doc/library/urllib.rst b/Doc/library/urllib.rst
index ef8264f..81dd36f 100644
--- a/Doc/library/urllib.rst
+++ b/Doc/library/urllib.rst
@@ -29,7 +29,7 @@
:exc:`IOError` exception is raised. If all went well, a file-like object is
returned. This supports the following methods: :meth:`read`, :meth:`readline`,
:meth:`readlines`, :meth:`fileno`, :meth:`close`, :meth:`info` and
- :meth:`geturl`. It also has proper support for the iterator protocol. One
+ :meth:`geturl`. It also has proper support for the :term:`iterator` protocol. One
caveat: the :meth:`read` method, if the size argument is omitted or negative,
may not read until the end of the data stream; there is no good way to determine
that the entire stream from a socket has been read in the general case.