Adding a target-blank to WordPress Plugin Redirection Page

Question : I want to have the target blank when I press on the page and redirects to another one. Can you tell me how to make the target blank ?

How to add a target-blank to WordPress Plugin Redirection Page.

Find this code

echo '<p>http://'.$source.'</p><p><strong>Redirect to :</strong></p><p>http://'.$redir.'</p>';

and replace with this

echo '<p><a href="http://'.$source.'" target="_blank">http://'.$source.'</a></p><p><strong>Redirect to :</strong></p><p>http://'.$redir.'</p>';