diff --git a/README.md b/README.md
index c61087b32494..6b17a40b92ba 100644
--- a/README.md
+++ b/README.md
@@ -57,14 +57,16 @@ Watch our [video on YouTube](https://www.youtube.com/watch?v=xHGKvadapbA) to get
 * [D3.js](http://d3js.org/) visualizations
 
 ## Documentation
-* [Ubuntu and Apache](http://blog.technerdservices.com/index.php/2015/04/techpop-how-to-install-invoice-ninja-on-ubuntu-14-04/)
-* [Debian and Nginx](https://www.rosehosting.com/blog/install-invoice-ninja-on-a-debian-7-vps/)
+* [Self Host Guide](https://www.invoiceninja.com/self-host)
 * [User Guide](http://docs.invoiceninja.com/en/latest/)
 * [Developer Guide](https://www.invoiceninja.com/knowledgebase/developer-guide/)
-* [API Documentation](https://www.invoiceninja.com/api-documentation/)
 * [Support Forum](https://www.invoiceninja.com/forums/forum/support/)
 * [Feature Roadmap](https://trello.com/b/63BbiVVe/)
 
+## API
+* [API Documentation](https://www.invoiceninja.com/api-documentation/)
+* [PHP SDK](https://github.com/invoiceninja/sdk-php)
+
 ## Contributing
 All contributors are welcome!  
 For information on how contribute to Invoice Ninja, please see our [contributing guide](CONTRIBUTING.md).
diff --git a/app/Ninja/Transformers/InvoiceItemTransformer.php b/app/Ninja/Transformers/InvoiceItemTransformer.php
index b6c74cddfb45..92aaf04048ef 100644
--- a/app/Ninja/Transformers/InvoiceItemTransformer.php
+++ b/app/Ninja/Transformers/InvoiceItemTransformer.php
@@ -11,7 +11,6 @@ class InvoiceItemTransformer extends EntityTransformer
             'product_key' => $item->product_key,
             'updated_at' => $this->getTimestamp($item->updated_at),
             'archived_at' => $this->getTimestamp($item->deleted_at),
-            'product_key' => $item->product_key,
             'notes' => $item->notes,
             'cost' => (float) $item->cost,
             'qty' => (float) $item->qty,