Rename thread to _thread and dummy_thread to _dummy_thread. Issue #2875.
diff --git a/Doc/c-api/exceptions.rst b/Doc/c-api/exceptions.rst
index 9c9ee7f..7440dda 100644
--- a/Doc/c-api/exceptions.rst
+++ b/Doc/c-api/exceptions.rst
@@ -351,7 +351,7 @@
be raised. It may be called without holding the interpreter lock.
.. % XXX This was described as obsolete, but is used in
- .. % thread.interrupt_main() (used from IDLE), so it's still needed.
+ .. % _thread.interrupt_main() (used from IDLE), so it's still needed.
.. cfunction:: int PySignal_SetWakeupFd(int fd)