diff --git a/lib/active_admin/resource_dsl.rb b/lib/active_admin/resource_dsl.rb
index 72e5afb5bc8..d398e669788 100644
--- a/lib/active_admin/resource_dsl.rb
+++ b/lib/active_admin/resource_dsl.rb
@@ -8,7 +8,7 @@ def belongs_to(target, options = {})
     end
 
     # Scope this controller to some object which has a relation
-    # to the resource. Can either accept a block or a symbol 
+    # to the resource. Can either accept a block or a symbol
     # of a method to call.
     #
     # Eg:
@@ -18,17 +18,17 @@ def belongs_to(target, options = {})
     #   end
     #
     # Then every time we instantiate and object, it would call
-    #   
+    #
     #   current_user.posts.build
     #
     # By default Active Admin will use the resource name to build a
-    # method to call as the association. If its different, you can 
+    # method to call as the association. If its different, you can
     # pass in the association_method as an option.
     #
     #   scope_to :current_user, :association_method => :blog_posts
     #
     # will result in the following
-    # 
+    #
     #   current_user.blog_posts.build
     #
     def scope_to(*args, &block)
@@ -94,7 +94,7 @@ def csv(options={}, &block)
     #
     # You can treat everything within the block as a standard Rails controller
     # action.
-    # 
+    #
     def member_action(name, options = {}, &block)
       config.member_actions << ControllerAction.new(name, options)
       title = options.delete(:title)
@@ -155,7 +155,7 @@ def collection_action(name, options = {}, &block)
     # Specify which actions to create in the controller
     #
     # Eg:
-    #   
+    #
     #   ActiveAdmin.register Post do
     #     actions :index, :show
     #   end