[1.9.x] Fixed a broken link in docs/internals/contributing/writing-documentation.txt.

Backport of 8b5a4fa941ba6e308b5ebd831b7953440fc0ee9b from master

1 files changed, 2 insertions, 4 deletions

diff --git a/docs/internals/contributing/writing-documentation.txt b/docs/internals/contributing/writing-documentation.txt
index 6c4e583866..8cb50392f2 100644
--- a/docs/internals/contributing/writing-documentation.txt
+++ b/docs/internals/contributing/writing-documentation.txt
@@ -220,10 +220,8 @@ documentation:
 Django-specific markup
 ======================
 
-Besides the `Sphinx built-in markup`__, Django's docs defines some extra
-description units:
-
-__ http://sphinx-doc.org/markup/
+Besides the :ref:`Sphinx built-in markup <sphinx:sphinxmarkup>`, Django's
+docs defines some extra description units:
 
 * Settings::