diff --git a/guides/upgrading/v0.8.md b/guides/upgrading/v0.8.md
index 5076827b..64408863 100644
--- a/guides/upgrading/v0.8.md
+++ b/guides/upgrading/v0.8.md
@@ -90,6 +90,10 @@ use Backpex.LiveResource,
     query
     |> where([post], post.published)
   end
+
+  def item_query(query, _live_action_, _assigns) do
+    query
+  end
 ```
 
 See [Item Query documentation](../live_resource/item-query.md) for more information.