diff --git a/lib/generators/ratyrate/templates/migration.rb b/lib/generators/ratyrate/templates/migration.rb
index fe47af2..7f84660 100644
--- a/lib/generators/ratyrate/templates/migration.rb
+++ b/lib/generators/ratyrate/templates/migration.rb
@@ -1,20 +1,24 @@
 class CreateRates < ActiveRecord::Migration<%= migration_version %>
 
+  
   def self.up
-      create_table :rates do |t|
-        t.belongs_to :rater
-        t.belongs_to :rateable, :polymorphic => true
-        t.float :stars, :null => false
-        t.string :dimension
-        t.timestamps
-      end
-
-      add_index :rates, :rater_id
-      add_index :rates, [:rateable_id, :rateable_type]
+    create_table :rates do |t|
+      t.belongs_to :rater
+      t.belongs_to :rateable, :polymorphic => true
+      t.float :stars, :null => false
+      t.string :dimension
+      t.timestamps
     end
 
-    def self.down
-      drop_table :rates
-    end
+    add_index :rates, :rater_id, name: "rate_rater_id"
+    add_index :rates, [:rateable_id, :rateable_type], name: "rate_rateable_id"
+  end
+
+  def self.down
+    remove_index :rates, [:rateable_id, :rateable_type], name: "rate_rateable_id"
+    remove_index :rates, :rater_id, name: "rate_rater_id"
+
+    drop_table :rates
+  end
 
 end