diff --git a/ruby/gilded_rose.rb b/ruby/gilded_rose.rb
index e177a497..ef06faff 100644
--- a/ruby/gilded_rose.rb
+++ b/ruby/gilded_rose.rb
@@ -62,7 +62,7 @@ class Item
     @quality = quality
   end
 
-  def to_s()
+  def to_s
     "#{@name}, #{@sell_in}, #{@quality}"
   end
 end