README.md in graphql-batch-0.2.1 vs README.md in graphql-batch-0.2.2

@@ -88,9 +88,10 @@
     CountLoader.for(Shop, :custom_collections).load(context.shop_id),
   ]).then do |results|
     results.reduce(&:+)
   end
 end
+```
 
 `.then` can optionally take two lambda arguments, the first of which is equivalent to passing a block to `.then`, and the second one handles exceptions.  This can be used to provide a fallback
 
 ```ruby
 resolve -> (obj, args, context) do