diff --git a/backend/product/views.py b/backend/product/views.py
index 432db49..ed5a967 100644
--- a/backend/product/views.py
+++ b/backend/product/views.py
@@ -91,7 +91,8 @@ class AllProductsView(APIView):
             #     ),
             OpenApiParameter(
                 name="category",
-                type=OpenApiTypes.INT,
+                type=OpenApiTypes.STR,
+                description="slug category (send it with category type)",
                 required=False,
                 ),
             OpenApiParameter(