diff --git a/code_samples/page/custom_page_block/config/packages/nested_attribute.yaml b/code_samples/page/custom_page_block/config/packages/nested_attribute.yaml
index 188395ff29..3d1847db9a 100644
--- a/code_samples/page/custom_page_block/config/packages/nested_attribute.yaml
+++ b/code_samples/page/custom_page_block/config/packages/nested_attribute.yaml
@@ -13,14 +13,14 @@ ibexa_fieldtype_page:
                         attributes:
                             attribute_1:
                                 name: Name 1
-                                type: type
+                                type: string
                                 validators:
                                     not_blank:
                                         message: 'Provide a value'
                             attribute_2:
                                 name: Name 2
-                                type: type
+                                type: string
                         multiple: true
                     validators:
                         not_blank:
-                            message: 'Provide a value'
\ No newline at end of file
+                            message: 'Provide a value'