diff --git a/docs/topics/http/urls.txt b/docs/topics/http/urls.txt
index 6179c3003e..00ee483457 100644
--- a/docs/topics/http/urls.txt
+++ b/docs/topics/http/urls.txt
@@ -837,6 +837,9 @@ worry about the ``urlconf`` parameter. The function returns a
 :class:`django.core.urlresolvers.ResolverMatch` object that allows you
 to access various meta-data about the resolved URL.
 
+If the URL does not resolve, the function raises an
+:class:`~django.http.Http404` exception.
+
 .. class:: ResolverMatch()
 
     .. attribute:: ResolverMatch.func
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::