diff --git a/docs/configuration.txt b/docs/configuration.txt
index bcf734a..c0aa19f 100644
--- a/docs/configuration.txt
+++ b/docs/configuration.txt
@@ -32,6 +32,11 @@ context processors::
         'django.core.context_processors.request',
     )
 
+django-authority defaults to using a smart cache when checking permissions.
+This can be disabled by adding the following line to ``settings.py``::
+
+    AUTHORITY_USE_SMART_CACHE = False
+
 urls.py
 =======