diff --git a/README.md b/README.md
index c8db270..abf07ba 100644
--- a/README.md
+++ b/README.md
@@ -90,7 +90,7 @@ darkMode.light = 'off';
 darkMode.dark = 'on';
 
 // Set a "remember the last selected mode" label
-darkMode.permanent = 'on';
+darkMode.permanent = true;
 
 // Remember the user's last color scheme choice
 darkModeToggle.setAttribute('permanent', false);