Update recaptcha.md

docs/advanced-features/recaptcha.md

@@ -17,6 +17,10 @@ Add Goolgle reCAPTCHA to your event registration page to ensure the people signi
 * Go to [Google ReCAPTCHA](http://www.google.com/recaptcha/admin/create)
   * Note: _ReCAPTCHA is based on **your** Google account. You have to have a Google account in order to enable this for your Salesforce org.****_
 * Enter a label and leave score-based (v3) checked.   
-*  Note: _This is the most advanced version confirming that you are not a bot that doesn't require the user to do anything. If ReCAPTCHA v3 is active, it evaluates all the information it can get about that person: IP address, where they are coming from and several other environmental variables of which the user is not necessarily aware. Google then compares that information to its database and gives you a score of 0-1. The higher the score, the more likely you are to be a real person._
-*  
-![image](https://github.com/user-attachments/assets/4c778d8d-b024-4873-aff5-b52e872ccbaa)
+*  _Note: This is the most advanced version confirming that you are not a bot that doesn't require the user to do anything. If ReCAPTCHA v3 is active, it evaluates all the information it can get about that person: IP address, where they are coming from and several other environmental variables of which the user is not necessarily aware. Google then compares that information to its database and gives you a score of 0-1. The higher the score, the more likely you are to be a real person._
+
+  ![image](https://github.com/user-attachments/assets/4c778d8d-b024-4873-aff5-b52e872ccbaa)
+* Add your registration domain. Most often, if you go back to your registration page, you want the "address" from the first dot to the .com before the hash. Likely salesforce-sites.com.
+*  _Note: If you set up this as an Experience site, the domain would be different._
+
+![image](https://github.com/user-attachments/assets/01e3ca9f-1036-4b99-ac4b-3f1ede9fcdfd)