typo

Author: greg-rychlewski

lib/ecto/association.ex

@@ -748,7 +748,7 @@ defmodule Ecto.Association.Has do
     * `defaults` - Default fields used when building the association
     * `relationship` - The relationship to the specified schema, default is `:child`
     * `preload_order` - Default `order_by` of the association, used only by preload
-    * `change_order` - The change order for associations when parent is maniuplated (`has_many` only).
+    * `change_order` - The change order for associations when parent is manipulated (`has_many` only).
   """
 
   @behaviour Ecto.Association