fix(edge): correct error troubleshooting (#3884)

Author: RoRoJ

network/edge-services/reference-content/ssl-tls-certificate.mdx

@@ -65,7 +65,7 @@ If there is a problem generating your managed Let's Encrypt certificate, an erro
 | Error                                                                   | Solution                                                            |
 | ------------------------------------------------------------------------|---------------------------------------------------------------------|
 | Too many certificates already issued for this domain                    | Wait, before retrying. This error occurs when you hit the limit of generating 50 Let's Encrypt certificates in a rolling 7 day period for the same domain. |
-| Internal managed certificate error                                      | [Open a support ticket](https://console.scaleway.com/support/tickets/create). There has been an unspecified error in generating a managed Let's Encrypt certificate for your subdomain.  |
+| Internal managed certificate error                                      | There has been an unspecified error in generating a managed Let's Encrypt certificate for your subdomain. Try [resetting your domain to the default endpoint](/network/edge-services/how-to/configure-custom-domain/#how-to-reset-your-customized-domain), and then recustomizing it again, to trigger generation of a new Let's Encrypt certificate. If that fails, [open a support ticket](https://console.scaleway.com/support/tickets/create). |
 | Certificate cannot be renewed - Your CNAME record is no longer accurate | Your CNAME record has either been deleted or modified. Without a correct CNAME record, we cannot renew your managed Let's Encrypt certificate. [Rectify your CNAME record](/network/edge-services/reference-content/cname-record/#how-to-create-a-cname-record), and when Edge Services detects the correct record exists, your certificate will be automatically renewed. |
 
 ## Using your own certificate