diff --git a/doc/en/scripting/ui.md b/doc/en/scripting/ui.md
index 7ce304b8c..02cebe709 100644
--- a/doc/en/scripting/ui.md
+++ b/doc/en/scripting/ui.md
@@ -236,3 +236,11 @@ Properties:
 | Name      | Type | Read | Write | Description                                       |
 | --------- | ---- | ---- | ----- | ------------------------------------------------- |
 | inventory | int  | yes  | yes   | id of the inventory to which the element is bound |
+
+## Slot
+
+Properties:
+
+| Name      | Type | Read | Write | Description                                       |
+| --------- | ---- | ---- | ----- | ------------------------------------------------- |
+| inventory | int  | yes  | no    | id of the inventory to which the element is bound |
diff --git a/doc/ru/scripting/ui.md b/doc/ru/scripting/ui.md
index 963e8b004..4d1fee695 100644
--- a/doc/ru/scripting/ui.md
+++ b/doc/ru/scripting/ui.md
@@ -237,3 +237,11 @@ Canvas.decode(data: Bytearray, format: str) -> Canvas
 |-----------|-----|--------|--------|-------------------------------------------|
 | inventory | int | да     | да     | id инвентаря, к которому привязан элемент |
 
+## Слот (slot)
+
+Свойства:
+
+| Название  | Тип | Чтение | Запись | Описание                                  |
+|-----------|-----|--------|--------|-------------------------------------------|
+| inventory | int | да     | нет    | id инвентаря, к которому привязан элемент |
+