diff --git a/djangorestframework/utils/__init__.py b/djangorestframework/utils/__init__.py
index 67882a37e..13b3c9b6d 100644
--- a/djangorestframework/utils/__init__.py
+++ b/djangorestframework/utils/__init__.py
@@ -183,4 +183,8 @@ def dict2xml(input):
 
 
 def reverse(viewname, request, *args, **kwargs):
+    """
+    Do the same as :py:func:`django.core.urlresolvers.reverse` but using
+    *request* to build a fully qualified URL.
+    """
     return request.build_absolute_uri(django_reverse(viewname, *args, **kwargs))