diff --git a/db/migrate/030_changing_created_on_to_at.rb b/db/migrate/030_changing_created_on_to_at.rb
new file mode 100644
index 0000000..9286706
--- /dev/null
+++ b/db/migrate/030_changing_created_on_to_at.rb
@@ -0,0 +1,14 @@
+class ChangingCreatedOnToAt < ActiveRecord::Migration
+  def self.up
+    rename_column :articles, :created_on, :created_at
+    rename_column :articles, :updated_on, :updated_at
+
+    rename_column :article_versions, :created_on, :created_at
+    rename_column :article_versions, :updated_on, :updated_at
+
+    rename_column :comments, :created_on, :created_at
+  end
+
+  def self.down
+  end
+end
--
libgit2 0.21.2