diff --git a/README.md b/README.md
index 0af8987..efea130 100644
--- a/README.md
+++ b/README.md
@@ -23,7 +23,7 @@ Features:
 
 ### Usage
 
-Once installed, Arboretum will be visible in the `Plugins > Add Dock Widget > napari-arboretum` menu in napari.  To visualize a lineage tree, click on one of the tracks in a napari `Tracks` layer.
+Once installed, Arboretum will be visible in the `Plugins > Add Dock Widget > napari-arboretum` menu in napari.  To visualize a lineage tree, (double) click on one of the tracks in a napari `Tracks` layer.