diff --git a/README.md b/README.md
index 6171874..15c0759 100644
--- a/README.md
+++ b/README.md
@@ -12,6 +12,8 @@ Adds link color support for GNS3.
 
 GNS3 version target: `2.2.0a2`
 
+Ref: [GitHub - GNS3/gns3-gui: issue #2461 Link Colors](https://github.com/GNS3/gns3-gui/issues/2461)
+
 [![](https://fjordtek.com/images/content/thumb/medium-550/gns3_1.png)](https://fjordtek.com/images/content/gns3_1.png)
 
 - [gns3-gui - patch_gns3gui_linkcolors.patch](patches/gns3-gui/patch_gns3gui_linkcolors.patch)