app/helpers/bootstrap_flash_helper.rb in bootstrap-sass-extras-0.0.7 vs app/helpers/bootstrap_flash_helper.rb in bootstrap-sass-extras-0.1.0

@@ -3,10 +3,10 @@
     notice: :success,
     alert: :danger,
     error: :danger,
     info: :info,
     warning: :warning
-  }
+  }.freeze
 
   def bootstrap_flash
     safe_join(flash.each_with_object([]) do |(type, message), messages|
                 next if message.blank? || !message.respond_to?(:to_str)
                 type = ALERT_TYPES_MAP.fetch(type.to_sym, type)