Separate source link from main text.
diff --git a/Doc/library/sched.rst b/Doc/library/sched.rst
index a76aacc..ab58237 100644
--- a/Doc/library/sched.rst
+++ b/Doc/library/sched.rst
@@ -9,6 +9,8 @@
 
 **Source code:** :source:`Lib/sched.py`
 
+--------------
+
 The :mod:`sched` module defines a class which implements a general purpose event
 scheduler: