If it says “OK”, the URL you enter is normal and good to be a redirecting link.
2. Manual Redirect
Or you can choose the target redirecting page for each broken link. Here are the steps for manual configuration.
Step 1: Choose the broken link you want to fix by clicking the 'Fix' button for that specific link.
NOTE: The dash line under Redirect and Date for a broken link means that that broken link hasn't been redirected. You can click 'Fix' to manually redirect that broken link.
Step 2: Type in your destination URL address, click 'Save'.