1 files changed, 3 insertions, 2 deletions
diff --git a/spec/ruby/core/string/freeze_spec.rb b/spec/ruby/core/string/freeze_spec.rb
index 04d1e9513c..8485e8de21 100644
--- a/spec/ruby/core/string/freeze_spec.rb
+++ b/spec/ruby/core/string/freeze_spec.rb
@@ -1,13 +1,14 @@
+# frozen_string_literal: false
 require_relative '../../spec_helper'
 
 describe "String#freeze" do
 
   it "produces the same object whenever called on an instance of a literal in the source" do
-    "abc".freeze.should equal "abc".freeze
+    "abc".freeze.should.equal? "abc".freeze
   end
 
   it "doesn't produce the same object for different instances of literals in the source" do
-    "abc".should_not equal "abc"
+    "abc".should_not.equal? "abc"
   end
 
   it "being a special form doesn't change the value of defined?" do