diff --git a/tests/conftest.py b/tests/conftest.py
index 21ac505..58c1db0 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -25,6 +25,8 @@ class User:
 
 @attr.s
 class UserFactory:
+    """UserFactory provides an interface to create Redash users."""
+
     users = attr.ib(type=User, default=attr.Factory(list))
 
     def __iter__(self):