diff --git a/docs/internals/contributing.txt b/docs/internals/contributing.txt
index 0558388212..cef9bbf81d 100644
--- a/docs/internals/contributing.txt
+++ b/docs/internals/contributing.txt
@@ -828,6 +828,7 @@ dependencies:
     *  setuptools_
     *  memcached_, plus the either the python-memcached_ or cmemcached_
        Python binding
+    *  gettext_ (:ref:`gettext_on_windows`)
 
 If you want to test the memcached cache backend, you will also need to define
 a :setting:`CACHE_BACKEND` setting that points at your memcached instance.
@@ -843,6 +844,7 @@ associated tests will be skipped.
 .. _memcached: http://www.danga.com/memcached/
 .. _python-memcached: http://pypi.python.org/pypi/python-memcached/
 .. _cmemcached: http://gijsbert.org/cmemcache/index.html
+.. _gettext: http://www.gnu.org/software/gettext/manual/gettext.html
 
 To run a subset of the unit tests, append the names of the test modules to the
 ``runtests.py`` command line. See the list of directories in