diff --git a/docs/api/browser-window.md b/docs/api/browser-window.md
index d369d034401b..eaa074e846c1 100644
--- a/docs/api/browser-window.md
+++ b/docs/api/browser-window.md
@@ -36,7 +36,7 @@ will have no visual flash:
 
 ```javascript
 let win = new BrowserWindow({show: false})
-win.on('ready-to-show', () => {
+win.once('ready-to-show', () => {
   win.show()
 })
 ```