MSdev

Hello, I am new to hyperphp and when I opened the file manager there was a file 'htdocs' where I put my website code. In there, the main call from hyperphp hosting is to look in 'htdocs' for an index.html/php file. My situation Is in my website documents I have it layed out like this... all my documents and folders are first, then I have a public folder and in there I have index.php that references to other files in my project. How can I change the root directory to go into my public folder?