When first time uploading - which Site Domain

Befor uploading I want to change the Site Domain.
In the tutorial

I see the example venylking.dev
so thats the URL for the visitor. Fine.
And I enterd the Site Domain:
But there is still the old content on that site.
Upload was perfect,60MB,
I have not changed ssh
Thanks a lot

SOLVED >>>>>>>>>>> Browserrefresh