2 files changed, 8 insertions, 0 deletions
diff --git a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
index b967bb6e0f..3968acba64 100644
--- a/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/migration/migration_generator.rb
@@ -14,6 +14,10 @@ module ActiveRecord
       protected
       attr_reader :migration_action, :join_tables
 
+      # sets the default migration template that is being used for the generation of the migration
+      # depending on the arguments which would be sent out in the command line, the migration template 
+      # and the table name instance variables are setup.
+
       def set_local_assigns!
         @migration_template = "migration.rb"
         case file_name
diff --git a/activerecord/lib/rails/generators/active_record/model/model_generator.rb b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
index 40e134e626..7e8d68ce69 100644
--- a/activerecord/lib/rails/generators/active_record/model/model_generator.rb
+++ b/activerecord/lib/rails/generators/active_record/model/model_generator.rb
@@ -12,6 +12,9 @@ module ActiveRecord
       class_option :parent,     :type => :string, :desc => "The parent class for the generated model"
       class_option :indexes,    :type => :boolean, :default => true, :desc => "Add indexes for references and belongs_to columns"
 
+      
+      # creates the migration file for the model.
+
       def create_migration_file
         return unless options[:migration] && options[:parent].nil?
         attributes.each { |a| a.attr_options.delete(:index) if a.reference? && !a.has_index? } if options[:indexes] == false
@@ -39,6 +42,7 @@ module ActiveRecord
 
       protected
 
+        # Used by the migration template to determine the parent name of the model
         def parent_class_name
           options[:parent] || "ActiveRecord::Base"
         end