1. From the backend of your Joomla site (administration) select Extensions  →  Modules.
2. Find rdoctor module in list of modules and choose Edit.
3. Select Custom invitation and follow up link.
4. Change texts according to theme of your site:

• Invitation - text to show before diagnostic starts
• Sample answer - prompt for user on possible answers for AI questions
• Follow up text - welcome text which appears when user receives list of possible conditions
• Follow up URL - Link to page which should visited when user receives list of possible conditions

5. Select Styling.

• Change colors of dialog box according to style of your site: