Issue #7061: Dropped "for Tk" from turtle module title and moved its
doc section under frameworks. Also fixed a couple of markup issues
that affected TOC rendering.
diff --git a/Doc/library/sys.rst b/Doc/library/sys.rst
index bf8e0d0..01dad9c 100644
--- a/Doc/library/sys.rst
+++ b/Doc/library/sys.rst
@@ -572,7 +572,7 @@
Their intended use is to allow an interactive user to import a debugger module
and engage in post-mortem debugging without having to re-execute the command
that caused the error. (Typical use is ``import pdb; pdb.pm()`` to enter the
- post-mortem debugger; see chapter :ref:`debugger` for
+ post-mortem debugger; see :mod:`pdb` module for
more information.)
The meaning of the variables is the same as that of the return values from