Docs - Fix typo

Author: kumavis

docs/terms/application.rst

@@ -7,6 +7,6 @@
 Application
 ===========
 An application services requests and background jobs for a deployed git repository.
-Each application is includes a set of :ref:`Containers <container>`
+Each application includes a set of :ref:`Containers <container>`
 used to run isolated processes, and a :ref:`Release` that defines the current 
 :ref:`Build` and :ref:`config` deployed by containers.