diff --git a/README.MD b/README.MD
index 3af5f7a..7e93bf9 100644
--- a/README.MD
+++ b/README.MD
@@ -640,6 +640,7 @@ Node options:
 
 ### <a id="table1">MaskEdgeUltraDetail</a>
 Process rough masks to ultra fine edges.
+This node combines the Alpha Matte and the Guided Filter Alpha nodes functions of Spacepxl's [ComfyUI-Image-Filters](https://github.com/spacepxl/ComfyUI-Image-Filters).
 ![image](image/mask_edge_ultra_detail_example.png)
 
 Node options:  
diff --git a/README_CN.MD b/README_CN.MD
index e34b65e..5b0cecf 100644
--- a/README_CN.MD
+++ b/README_CN.MD
@@ -624,6 +624,7 @@
 
 ### <a id="table1">MaskEdgeUltraDetail</a>
 处理较粗糙的遮罩使其获得超精细边缘。
+本节点结合了spacepxl的[ComfyUI-Image-Filters](https://github.com/spacepxl/ComfyUI-Image-Filters)的Alpha Matte和Guided Filter Alpha两者功能。
 ![image](image/mask_edge_ultra_detail_example.png)
 
 节点选项说明: