diff --git a/README.md b/README.md
index 837c0b6..80189e7 100644
--- a/README.md
+++ b/README.md
@@ -131,7 +131,7 @@ Choose what data gets indexed.
 ```ruby
 class Product < ActiveRecord::Base
   def _source
-    as_json(only: [:name, :active])
+    as_json(only: [:name, :active], include: {brand: {only: [:country]}})
   end
 end
 ```
diff --git a/test/searchkick_test.rb b/test/searchkick_test.rb
index c969f72..27e37ec 100644
--- a/test/searchkick_test.rb
+++ b/test/searchkick_test.rb
@@ -18,7 +18,7 @@ class Product < ActiveRecord::Base
     conversions: true
 
   def _source
-    as_json.merge(conversions: searches.group("query").count)
+    as_json.merge conversions: searches.group("query").count
   end
 end
 
--
libgit2 0.21.0