#9911: doc copyedits.
diff --git a/Doc/library/concurrent.futures.rst b/Doc/library/concurrent.futures.rst
index 87a0e90..e17e589 100644
--- a/Doc/library/concurrent.futures.rst
+++ b/Doc/library/concurrent.futures.rst
@@ -204,12 +204,12 @@
Future Objects
--------------
-The :class:`Future` class encapulates the asynchronous execution of a callable.
+The :class:`Future` class encapsulates the asynchronous execution of a callable.
:class:`Future` instances are created by :meth:`Executor.submit`.
.. class:: Future
- Encapulates the asynchronous execution of a callable. :class:`Future`
+ Encapsulates the asynchronous execution of a callable. :class:`Future`
instances are created by :meth:`Executor.submit` and should not be created
directly except for testing.