--- threading.txt       2015-08-31 00:07:47.000000000 -0500
+++ new.txt     2015-11-17 05:58:43.394798748 -0600
@@ -164,6 +164,8 @@

    A thread that executes a function after a specified interval has passed.

+   Note that, for historical reasons, this is actually a factory function for the underlying class.
+
    See :ref:`timer-objects`.