Separate source link from main text.
diff --git a/Doc/library/linecache.rst b/Doc/library/linecache.rst
index ee965fe..dacf8aa 100644
--- a/Doc/library/linecache.rst
+++ b/Doc/library/linecache.rst
@@ -7,6 +7,8 @@
**Source code:** :source:`Lib/linecache.py`
+--------------
+
The :mod:`linecache` module allows one to get any line from any file, while
attempting to optimize internally, using a cache, the common case where many
lines are read from a single file. This is used by the :mod:`traceback` module