diff --git a/docs/testing.rst b/docs/testing.rst
index 15f163107f2..027ba63a039 100644
--- a/docs/testing.rst
+++ b/docs/testing.rst
@@ -775,7 +775,7 @@ Utilities
       mocked.assert_called_with(1, 2)
 
 
-  :param return_value: A value that the the mock object will return when
+  :param return_value: A value that the mock object will return when
       called.
   :returns: A mock object that behaves as a coroutine which returns
       *return_value* when called.