diff --git a/docs/en-US/component/table-v2.md b/docs/en-US/component/table-v2.md
index c0f42dfe9a..70b0d95e0b 100644
--- a/docs/en-US/component/table-v2.md
+++ b/docs/en-US/component/table-v2.md
@@ -321,6 +321,7 @@ table-v2/manual-scroll
 | width ^(required)         | Width of the table                                                                                                         | `number`                                               | —         |
 | height ^(required)        | Height of the table                                                                                                        | `number`                                               | —         |
 | max-height                | Maximum height of the table                                                                                                | `number`                                               | —         |
+| indent-size                | horizontal indentation of tree table                                                                                                | `number`                                               | 12        |
 | h-scrollbar-size          | Indicates the horizontal scrollbar's size for the table, used to prevent the horizontal and vertical scrollbar to collapse | `number`                                               | 6         |
 | v-scrollbar-size          | Indicates the vertical scrollbar's size for the table, used to prevent the horizontal and vertical scrollbar to collapse   | `number`                                               | 6         |
 | scrollbar-always-on       | If true, the scrollbar will always be shown instead of when mouse is placed above the table                                | `boolean`                                              | false     |