OOP in ruby

oop.rb

# Ruby
class Festival
  def initialize(name, description)
    @name = name
    @description = description
  end

  def is_dashain?
    if @name == "Dashain"
      @description = "Let's fly kites."
      true
    else
      false
    end
  end

  def to_s
    "#{@name}: #{@description}"
  end