Jamie is a user trying to help. It isn't his software, or at least he isn't someone that works on it. He is just a helpful user trying to help you do what you want and get around your issue.
The simple recordset syntax only works with very simple SQL statements. Once you add a repeat region to your page, it adds a LIMIT statement which complicates your recordset.
You can simplify your recordset by removing the ORDER BY manually as he suggests. Then you can add it back after making your edits in the simple recordset editor.
What changes are you looking to make?