diff --git a/README.md b/README.md
index d668b9ae..054ec9b2 100644
--- a/README.md
+++ b/README.md
@@ -261,6 +261,7 @@ paige:
 
 An optional menu can be configured.
 The active menu item has a URL that is a prefix of the path of the current page.
+A menu item with the URL `/` only matches a `/` path.
 
 Example `config.yaml`: