fixed example of object_actions for generator.yml

Author: fabpot

reference/en/06-Admin-Generator.markdown

@@ -563,11 +563,14 @@ The executed method received the primary keys of the selected objects via the
 *Default value*: `{ _edit: ~, _delete: ~ }`
 
 The `object_actions` option defines the list of actions that can be executed
-on each object of the list. The list of actions is an associative array which
-keys are the route names and values an array of methods:
+on each object of the list:
 
     [yml]
-    object_actions: { publish: get, publishBis: [get, post] }
+    object_actions:
+      moveUp:     { label: "move up", action: "moveUp" }
+      moveDown:   { label: "move down", action: "moveDown" }
+      _edit:      ~
+      _delete:    ~
 
 If you don't define an `action`, the admin generator will look for a method
 named after the camel-cased name prefixed by `executeList`.