diff --git a/docs/topics/http/middleware.txt b/docs/topics/http/middleware.txt
index 308cbbf0a9..fd4c4f661e 100644
--- a/docs/topics/http/middleware.txt
+++ b/docs/topics/http/middleware.txt
@@ -32,6 +32,7 @@ here's the default value created by :djadmin:`django-admin.py startproject
         'django.middleware.common.CommonMiddleware',
         'django.middleware.csrf.CsrfViewMiddleware',
         'django.contrib.auth.middleware.AuthenticationMiddleware',
+        'django.contrib.auth.middleware.SessionAuthenticationMiddleware',
         'django.contrib.messages.middleware.MessageMiddleware',
         'django.middleware.clickjacking.XFrameOptionsMiddleware',
     )