diff --git a/Doc/library/asyncio-protocol.rst b/Doc/library/asyncio-protocol.rst
index 9a08a4a49021ccb..4f55fc4e3575570 100644
--- a/Doc/library/asyncio-protocol.rst
+++ b/Doc/library/asyncio-protocol.rst
@@ -247,10 +247,10 @@ DatagramTransport
    called with :const:`None` as its argument.
 
 
-BaseSubprocessTransport
------------------------
+SubprocessTransport
+-------------------
 
-.. class:: BaseSubprocessTransport
+.. class:: SubprocessTransport
 
    .. method:: get_pid()
 
@@ -290,7 +290,6 @@ BaseSubprocessTransport
    .. method:: terminate()
 
       Ask the subprocess to stop, as in :meth:`subprocess.Popen.terminate`.
-      This method is an alias for the :meth:`close` method.
 
       On POSIX systems, this method sends SIGTERM to the subprocess.
       On Windows, the Windows API function TerminateProcess() is called to
@@ -298,7 +297,7 @@ BaseSubprocessTransport
 
    .. method:: close()
 
-      Ask the subprocess to stop by calling the :meth:`terminate` method if the
+      Ask the subprocess to stop by calling the :meth:`kill` method if the
       subprocess hasn't returned yet, and close transports of all pipes
       (*stdin*, *stdout* and *stderr*).
 
diff --git a/Doc/library/asyncio-subprocess.rst b/Doc/library/asyncio-subprocess.rst
index 280b76400374cbd..16b5733dd873332 100644
--- a/Doc/library/asyncio-subprocess.rst
+++ b/Doc/library/asyncio-subprocess.rst
@@ -112,7 +112,8 @@ Run subprocesses asynchronously using the :mod:`subprocess` module.
      *shell*, which should not be specified at all.
 
    Returns a pair of ``(transport, protocol)``, where *transport* is an
-   instance of :class:`BaseSubprocessTransport`.
+   instance of :class:`SubprocessTransport` and *protocol* is an object
+   instantiated by the *protocol_factory*.
 
    This method is a :ref:`coroutine <coroutine>`.
 
@@ -132,7 +133,8 @@ Run subprocesses asynchronously using the :mod:`subprocess` module.
    the remaining arguments.
 
    Returns a pair of ``(transport, protocol)``, where *transport* is an
-   instance of :class:`BaseSubprocessTransport`.
+   instance of :class:`SubprocessTransport` and *protocol* is an object
+   instantiated by the *protocol_factory*.
 
    It is the application's responsibility to ensure that all whitespace and
    metacharacters are quoted appropriately to avoid `shell injection
diff --git a/Misc/NEWS.d/next/Documentation/2018-06-28-01-07-44.bpo-33986.19asdA.rst b/Misc/NEWS.d/next/Documentation/2018-06-28-01-07-44.bpo-33986.19asdA.rst
new file mode 100644
index 000000000000000..8157ca86dacdf87
--- /dev/null
+++ b/Misc/NEWS.d/next/Documentation/2018-06-28-01-07-44.bpo-33986.19asdA.rst
@@ -0,0 +1,3 @@
+Fix wrong class name: asyncio.BaseSubprocessTransport -> SubprocessTransport,
+and clarify return objects descriptions of AbstractEventLoop.subprocess_exec().
+Fixed the description of SubprocessTransport.close().