#6787: reference fix.
diff --git a/Doc/library/thread.rst b/Doc/library/thread.rst
index 3bcc755..f8b5850 100644
--- a/Doc/library/thread.rst
+++ b/Doc/library/thread.rst
@@ -156,7 +156,7 @@
module is available, interrupts always go to the main thread.)
* Calling :func:`sys.exit` or raising the :exc:`SystemExit` exception is
- equivalent to calling :func:`exit`.
+ equivalent to calling :func:`thread.exit`.
* Not all built-in functions that may block waiting for I/O allow other threads
to run. (The most popular ones (:func:`time.sleep`, :meth:`file.read`,