typo in change log v4.11.0

CHANGELOG

@@ -1,8 +1,8 @@
 == Version 4.11.0
 
 * Added `ShopifyAPI::InventoryItem`
-* Added `ShopifyAPI::InventoryItem`
-* Added `inventory_levels` method to `ShopifyAPI::Location`
+* Added `ShopifyAPI::InventoryLevel`
+* Added `#inventory_levels` method to `ShopifyAPI::Location`
 
 == Version 4.10.0