docs/8-custom-actions.md in activeadmin-0.3.4 vs docs/8-custom-actions.md in activeadmin-0.4.0

@@ -15,11 +15,11 @@
 
     ActiveAdmin.register Post do
 
       collection_action :import_csv, :method => :post do
         # Do some CSV importing work here...
-        redirect_to :action => :index, :notice => "CSV imported successfully!"
+        redirect_to {:action => :index}, :notice => "CSV imported successfully!"
       end
 
     end
 
 This collection action will generate a route at "/admin/posts/import_csv"
@@ -35,11 +35,11 @@
     ActiveAdmin.register User do
 
       member_action :lock, :method => :put do
         user = User.find(params[:id])
         user.lock!
-        redirect_to :action => :show, :notice => "Locked!"
+        redirect_to {:action => :show}, :notice => "Locked!"
       end
 
     end
 
 This will generate a route at "/admin/users/:id/lock" pointing to the
@@ -78,9 +78,19 @@
       column :id
       column :author
       column :body do |comment|
         simple_format comment.body
       end
+    end
+    
+### Custom Action Items
+
+To include your own action items (like the New, Edit and Delete buttons), add an 
+`action_item` block. For example, to add a "View on site" button to view a blog
+post:
+
+    action_item :only => :show do
+      link_to('View on site', post_path(post)) if post.published?
     end
 
 ### Page Titles
 
 The page title for the custom action will be the internationalized version of