Multidomain not working at my site

Hi,
I have installed the plugin and have followed all the steps but its not working, my primary site where wordpress and plugin is installed is https://www.royaltyfreehub.com and secondry site is https://www.stockphotoshub.com

Please advise how to fix, following is the code i have in my config file,

<?php

$domains = array(
array(
‘domain’ => ‘stockphotoshub.com’,
‘siteurl’ => ‘https://stockphotoshub.com&#8217;,
‘home’ => ‘https://stockphotoshub.com&#8217;
)
);

?>