Deprecated call

PHP Notice: get_bloginfo was called with an argument that is deprecated since version 2.2! The siteurl option is deprecated for the family of bloginfo() functions. Use the url option instead. in simple-trackback-validation-with-topsy-blocker.php on line 777

Change get_bloginfo('siteurl')to get_bloginfo('url')and you’re done.

https://ww.wp.xz.cn/plugins/simple-trackback-validation-with-topsy-blocker/