diff --git a/tests/json_encoding_test.rb b/tests/json_encoding_test.rb
index ac485e2a..be87f3c3 100644
--- a/tests/json_encoding_test.rb
+++ b/tests/json_encoding_test.rb
@@ -1,4 +1,4 @@
-#frozen_string_literal: false
+# frozen_string_literal: false
 require_relative 'test_helper'
 
 class JSONEncodingTest < Test::Unit::TestCase