docs: fix explanation of darwin auto-quit prevention (electron#24003)

Benjamin Sova · web-flow · commit a33c10c3eda4 · 2020-06-11T11:08:27.000+09:00
diff --git a/docs/tutorial/first-app.md b/docs/tutorial/first-app.md
@@ -141,10 +141,10 @@ function createWindow () {
 // Some APIs can only be used after this event occurs.
 app.whenReady().then(createWindow)
 
-// Quit when all windows are closed.
+// Quit when all windows are closed, except on macOS. There, it's common
+// for applications and their menu bar to stay active until the user quits
+// explicitly with Cmd + Q.
 app.on('window-all-closed', () => {
-  // On macOS it is common for applications and their menu bar
-  // to stay active until the user quits explicitly with Cmd + Q
   if (process.platform !== 'darwin') {
     app.quit()
   }
