From df748c20dabcec5a6e89e0dd74fff21110f8755a Mon Sep 17 00:00:00 2001
From: "Behzad B. Mokhtari" <35877268+perplexionist@users.noreply.github.com>
Date: Wed, 27 Jun 2018 08:27:39 +0430
Subject: use rich markup for PEP reference (GH-7939)

it's better to refer to PEP with `pep` role in reStructuredText. It also links to the PEP page.
---
 Doc/tutorial/modules.rst | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Doc/tutorial/modules.rst b/Doc/tutorial/modules.rst
index 3f68932..0aadad3 100644
--- a/Doc/tutorial/modules.rst
+++ b/Doc/tutorial/modules.rst
@@ -249,7 +249,7 @@ Some tips for experts:
   directory.
 
 * There is more detail on this process, including a flow chart of the
-  decisions, in PEP 3147.
+  decisions, in :pep:`3147`.
 
 
 .. _tut-standardmodules:
-- 
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