lib/rubocop/cop/lint/useless_setter_call.rb in rubocop-0.20.1 vs lib/rubocop/cop/lint/useless_setter_call.rb in rubocop-0.21.0

@@ -13,10 +13,10 @@
       #    x.attr = 5
       #  end
       class UselessSetterCall < Cop
         include CheckMethods
 
-        MSG = 'Useless setter call to local variable %s.'
+        MSG = 'Useless setter call to local variable `%s`.'
         ASSIGNMENT_TYPES = [:lvasgn, :ivasgn, :cvasgn, :gvasgn].freeze
 
         private
 
         def check(_node, _method_name, args, body)