Fixed tiny grammar error in flex.rst

manuelkiessling · javiereguiluz · commit 6fad223899e4 · 2019-01-02T08:43:40.000+01:00
Removed unneeded word `to`.
diff --git a/setup/flex.rst b/setup/flex.rst
@@ -77,7 +77,7 @@ The ``aliases`` option allows Flex to install packages using short and easy to
 remember names (``composer require mailer`` vs
 ``composer require symfony/swiftmailer-bundle``). The ``bundles`` option tells
 Flex in which environments this bundle should be enabled automatically (``all``
-in this case). The ``env`` option makes Flex to add new environment variables to
+in this case). The ``env`` option makes Flex add new environment variables to
 the application. Finally, the ``copy-from-recipe`` option allows the recipe to
 copy files and directories into your application.
 
