Add to contextual help tab

I was wondering if there was a way that I could also use this plugin to add/edit a contextual help file in WordPress. I would like to add a short help box in that tabbed section.

Thanks!

https://wordpress.org/plugins/wpbizplugins-custom-admin-help-boxes/