replace active by enabled for consistency in plugins

Signed-off-by: Victor Vieux <vieux@docker.com>
Upstream-commit: cf4e268115911e9e4a4da94dc00b2dc370f86a47
Component: engine

components/engine/docs/reference/commandline/plugin_install.md

@@ -47,7 +47,7 @@ After the plugin is installed, it appears in the list of plugins:
 ```bash
 $ docker plugin ls
 
-NAME                  TAG                 DESCRIPTION                ACTIVE
+NAME                  TAG                 DESCRIPTION                ENABLED
 tiborvass/no-remove   latest              A test plugin for Docker   true
 ```