diff --git a/src/newsreader/news/collection/tests/endpoints/rule/detail/tests.py b/src/newsreader/news/collection/tests/endpoints/rule/detail/tests.py
index 9652053..afd1cf1 100644
--- a/src/newsreader/news/collection/tests/endpoints/rule/detail/tests.py
+++ b/src/newsreader/news/collection/tests/endpoints/rule/detail/tests.py
@@ -38,7 +38,7 @@ class CollectionRuleDetailViewTestCase(TestCase):
         data = response.json()
 
         self.assertEquals(response.status_code, 404)
-        self.assertEquals(data["detail"], "No Post matches the given query.")
+        self.assertEquals(data["detail"], "No CollectionRule matches the given query.")
 
     def test_post(self):
         rule = FeedFactory(user=self.user)