Fix a couple of versionadded/versionchanged related markup errors.
diff --git a/Doc/library/http.server.rst b/Doc/library/http.server.rst
index 04ec746..cbad3ed 100644
--- a/Doc/library/http.server.rst
+++ b/Doc/library/http.server.rst
@@ -201,7 +201,8 @@
specifying its value. Note that, after the send_header calls are done,
:meth:`end_headers` MUST BE called in order to complete the operation.
- .. versionchanged:: 3.2 Headers are stored in an internal buffer.
+ .. versionchanged:: 3.2
+ Headers are stored in an internal buffer.
.. method:: send_response_only(code, message=None)