diff --git a/docs/topics/settings.txt b/docs/topics/settings.txt
index d9c8f0ab62..16f80d5312 100644
--- a/docs/topics/settings.txt
+++ b/docs/topics/settings.txt
@@ -160,10 +160,11 @@ There's nothing stopping you from creating your own settings, for your own
 Django apps. Just follow these conventions:
 
     * Setting names are in all uppercase.
-    * For settings that are sequences, use tuples instead of lists. This is
-      purely for performance.
     * Don't reinvent an already-existing setting.
 
+For settings that are sequences, Django itself uses tuples, rather than lists,
+but this is only a convention.
+
 .. _settings-without-django-settings-module:
 
 Using settings without setting DJANGO_SETTINGS_MODULE