Hi @m4declare1
Regarding the issue, where the HTML code was coming in the title, we have fixed that issue, so can you please replace the below file in our plugin folder and check whether it is working fine or not?
Filename: class-alg-wc-checkout-fees-settings-gateways.php
Filepath: wp-content\plugins\checkout-fees-for-woocommerce\includes\settings
Dropbox link: https://www.dropbox.com/s/8ur0137lf91211r/class-alg-wc-checkout-fees-settings-gateways.php?dl=0
Please replace the file at the above-mentioned location and let us know how it goes.
Note: we will be adding this fix in our next plugin update so that you can update the plugin without losing this fix.