Issue #22558: Add remaining doc links to source code for Python-coded modules.
Reformat header above separator line (added if missing) to a common format.
Patch by Yoni Lavi.
diff --git a/Doc/library/tracemalloc.rst b/Doc/library/tracemalloc.rst
index 5feb2d9..3a0b1e0 100644
--- a/Doc/library/tracemalloc.rst
+++ b/Doc/library/tracemalloc.rst
@@ -6,6 +6,10 @@
.. versionadded:: 3.4
+**Source code:** :source:`Lib/tracemalloc.py`
+
+--------------
+
The tracemalloc module is a debug tool to trace memory blocks allocated by
Python. It provides the following information: