docs: remove incorrectly added let for the win variable (electron#18052)

miniak · codebytere · commit b333ce26289b · 2019-05-01T10:45:58.000-07:00
diff --git a/docs/tutorial/first-app.md b/docs/tutorial/first-app.md
@@ -138,7 +138,7 @@ let win
 
 function createWindow () {
   // Create the browser window.
-  let win = new BrowserWindow({
+  win = new BrowserWindow({
     width: 800,
     height: 600,
     webPreferences: {
