diff --git a/source/includes/_products.md b/source/includes/_products.md
index aea27d3..3f56a28 100644
--- a/source/includes/_products.md
+++ b/source/includes/_products.md
@@ -150,13 +150,13 @@ This endpoint retrieves all product groups and can paginated
 
 ### Query parameters
 
-| Parameter   | Default | Description                                                                                        |
-|-------------|---------|----------------------------------------------------------------------------------------------------|
-| page        | 1       | Which page to display                                                                              |
-| per         | nil     | If set it limits the number of product groups per page                                             |
-| category    | nil     | Filter products groups on a specific category, use the category code (slug) as the parameter value |
-| category_id | nil     | Filter products groups on a specific category, use the category id as the parameter value          |
-| tag         | nil     | Filter product groups on a specific tag, use the tag name as the parameter value                   |
+| Parameter     | Default | Description                                                                                            |
+|---------------|---------|--------------------------------------------------------------------------------------------------------|
+| page          | 1       | Which page to display                                                                                  |
+| per           | nil     | If set it limits the number of product groups per page                                                 |
+| collection    | nil     | Filter products groups on a specific collection, use the collection code (slug) as the parameter value |
+| collection_id | nil     | Filter products groups on a specific collection, use the collection id as the parameter value          |
+| tag           | nil     | Filter product groups on a specific tag, use the tag name as the parameter value                       |
 
 ### Meta