diff --git a/AUTHORS b/AUTHORS
index 00e51d6bc80..4462b403545 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -588,6 +588,7 @@ answer newbie questions, and generally made Django that much better:
     Marc Aymerich Gubern
     Marc Egli <frog32@me.com>
     Marcel Telka <marcel@telka.sk>
+    Marcelo Galigniana <marcelogaligniana@gmail.com>
     Marc Fargas <telenieko@telenieko.com>
     Marc Garcia <marc.garcia@accopensys.com>
     Marcin Wróbel
diff --git a/docs/ref/utils.txt b/docs/ref/utils.txt
index d316c8a8bf0..25e5fdb2c93 100644
--- a/docs/ref/utils.txt
+++ b/docs/ref/utils.txt
@@ -62,10 +62,14 @@ need to distinguish caches by the ``Accept-language`` header.
 
 .. function:: add_never_cache_headers(response)
 
+    Adds an ``Expires`` header to the current date/time.
+
     Adds a ``Cache-Control: max-age=0, no-cache, no-store, must-revalidate,
     private`` header to a response to indicate that a page should never be
     cached.
 
+    Each header is only added if it isn't already set.
+
 .. function:: patch_vary_headers(response, newheaders)
 
     Adds (or updates) the ``Vary`` header in the given ``HttpResponse`` object.
diff --git a/docs/topics/http/decorators.txt b/docs/topics/http/decorators.txt
index cabdd4f01a1..21ff963071c 100644
--- a/docs/topics/http/decorators.txt
+++ b/docs/topics/http/decorators.txt
@@ -118,10 +118,14 @@ client-side caching.
 
 .. function:: never_cache(view_func)
 
+    This decorator adds an ``Expires`` header to the current date/time.
+
     This decorator adds a ``Cache-Control: max-age=0, no-cache, no-store,
     must-revalidate, private`` header to a response to indicate that a page
     should never be cached.
 
+    Each header is only added if it isn't already set.
+
 .. module:: django.views.decorators.common
 
 Common