Avoid useless indentation.
diff --git a/Doc/library/http.client.rst b/Doc/library/http.client.rst
index ae6c91f..efb4c41 100644
--- a/Doc/library/http.client.rst
+++ b/Doc/library/http.client.rst
@@ -382,8 +382,8 @@
 |                                          |         | :rfc:`6585`, Section 6                                                |
 +------------------------------------------+---------+-----------------------------------------------------------------------+
 
-  .. versionchanged:: 3.3
-     Added codes ``428``, ``429``, ``431`` and ``511`` from :rfc:`6585`.
+.. versionchanged:: 3.3
+   Added codes ``428``, ``429``, ``431`` and ``511`` from :rfc:`6585`.
 
 
 .. data:: responses