diff --git a/docs/topics/http/urls.txt b/docs/topics/http/urls.txt
index d176bbafae..631e0ebe48 100644
--- a/docs/topics/http/urls.txt
+++ b/docs/topics/http/urls.txt
@@ -834,6 +834,9 @@ URL paths to the corresponding view functions. It has the following signature:
 don't need to worry about the ``urlconf`` parameter. The function returns the
 triple (view function, arguments, keyword arguments).
 
+If the URL does not resolve, the function raises an
+:class:`~django.http.Http404` exception.
+
 For example, it can be used for testing if a view would raise a ``Http404``
 error before redirecting to it::
 
diff --git a/docs/topics/http/views.txt b/docs/topics/http/views.txt
index 399e6b6ad1..3ff11da1e9 100644
--- a/docs/topics/http/views.txt
+++ b/docs/topics/http/views.txt
@@ -95,6 +95,8 @@ to handle those errors.
 The Http404 exception
 ---------------------
 
+.. class:: django.http.Http404()
+
 When you return an error such as ``HttpResponseNotFound``, you're responsible
 for defining the HTML of the resulting error page::