GUACAMOLE-1068: Add note about regeneration of TOTP data when enrollm…

…ent is incomplete.

src/totp-auth.md

@@ -74,6 +74,14 @@ to the "Details" header. These values can then be entered manually:
 Enrollment is completed once the user enters a valid authentication code
 generated by their device using the provided key.
 
+:::{important}
+If the user does not confirm/complete the enrollment process, the next time the
+user logs in they will be asked to go through the enrollment process, again, and
+the TOTP data will be regenerated. This means the previously-scanned QR code
+and TOTP codes generated with the use of that code will be invalid.
+:::
+
+
 (totp-reset-data)=
 
 ### Reseting TOTP Data