add another syntax

spec/annotate/annotate_models_spec.rb

@@ -513,7 +513,8 @@ end
         "# encoding: utf-8\n# frozen_string_literal: true",
         "# frozen_string_literal: true\n# encoding: utf-8",
         '# frozen_string_literal: true',
-        '#frozen_string_literal: true',
+        '#frozen_string_literal: false',
+        '# -*- frozen_string_literal : true -*-',
       ].each{|magic_comment| yield magic_comment }
     end