diff --git a/doc/common/apidoc/index.json b/doc/common/apidoc/index.json
index 7975b2a6d..21a1207a6 100644
--- a/doc/common/apidoc/index.json
+++ b/doc/common/apidoc/index.json
@@ -57315,7 +57315,7 @@
{
"name": "scope",
"optional": false,
- "type": "{\n \t node: TreeNode, // Tree node instance\n }",
+ "type": "{\n \t node: TreeNode, // Tree node instance\n \t class: string, // Style class of the icon.\n }",
"description": "nodeicon slot's params."
}
],