lib/rubocop/cop/style/class_methods.rb in rubocop-0.35.1 vs lib/rubocop/cop/style/class_methods.rb in rubocop-0.36.0

@@ -1,6 +1,7 @@
 # encoding: utf-8
+# frozen_string_literal: true
 
 module RuboCop
   module Cop
     module Style
       # This cop checks for uses of the class/module name instead of
@@ -19,10 +20,10 @@
       #     def self.class_method
       #       ...
       #     end
       #   end
       class ClassMethods < Cop
-        MSG = 'Use `self.%s` instead of `%s.%s`.'
+        MSG = 'Use `self.%s` instead of `%s.%s`.'.freeze
 
         def on_class(node)
           name, _superclass, body = *node
           check(name, body)
         end