diff --git a/docs/usage/guides/visual/window-customization.md b/docs/usage/guides/visual/window-customization.md
index 2a20f16df..f885fa0ff 100644
--- a/docs/usage/guides/visual/window-customization.md
+++ b/docs/usage/guides/visual/window-customization.md
@@ -82,7 +82,7 @@ document
   .addEventListener('click', () => appWindow.minimize())
 document
   .getElementById('titlebar-maximize')
-  .addEventListener('click', async () => await appWindow.isMaximized() ? appWindow.unmaximmize() : appWindow.maximize())
+  .addEventListener('click', async () => await appWindow.isMaximized() ? appWindow.unmaximize() : appWindow.maximize())
 document
   .getElementById('titlebar-close')
   .addEventListener('click', () => appWindow.close())