diff --git a/docs/middleware.txt b/docs/middleware.txt
index 0d533443d3..533f1ccede 100644
--- a/docs/middleware.txt
+++ b/docs/middleware.txt
@@ -116,6 +116,14 @@ not use this middleware. Anybody can spoof the value of
 ``HTTP_X_FORWARDED_FOR``, that means anybody can "fake" their IP address. Only
 use this when you can absolutely trust the value of ``HTTP_X_FORWARDED_FOR``.
 
+django.middleware.locale.LocaleMiddleware
+-----------------------------------------
+
+Enables language selection based on data from the request. It customizes content
+for each user. See the `internationalization documentation`_.
+
+.. _`internationalization documentation`: ../i18n/
+
 django.contrib.sessions.middleware.SessionMiddleware
 ----------------------------------------------------