diff --git a/rest_framework/settings.py b/rest_framework/settings.py
index 1378a3752..e0742c5cc 100644
--- a/rest_framework/settings.py
+++ b/rest_framework/settings.py
@@ -62,7 +62,7 @@ DEFAULTS = {
     'NUM_PROXIES': None,
 
     # Custom template engine NAME
-    'DEFAULT_TEMPLATE_ENGINE': None
+    'DEFAULT_TEMPLATE_ENGINE': None,
 
     # Pagination
     'PAGE_SIZE': None,