diff --git a/guides/source/association_basics.md b/guides/source/association_basics.md
index 5c7d1f53654edc5363168156fa364e784100e6db..b0621be8c3a14a7d90d424b76e0ce5fed4b0534a 100644
--- a/guides/source/association_basics.md
+++ b/guides/source/association_basics.md
@@ -1831,7 +1831,7 @@ The `limit` method lets you restrict the total number of objects that will be fe
 class Author < ApplicationRecord
   has_many :recent_books,
     -> { order('published_at desc').limit(100) },
-    class_name: "Book",
+    class_name: "Book"
 end
 ```