diff --git a/django/test/testcases.py b/django/test/testcases.py
index f1c6b5ae9c5..6027332cd54 100644
--- a/django/test/testcases.py
+++ b/django/test/testcases.py
@@ -405,8 +405,8 @@ class SimpleTestCase(unittest.TestCase):
 
     def modify_settings(self, **kwargs):
         """
-        A context manager that temporarily applies changes a list setting and
-        reverts back to the original value when exiting the context.
+        A context manager that temporarily applies changes to a list setting
+        and reverts back to the original value when exiting the context.
         """
         return modify_settings(**kwargs)