docs: Clarify documentation for require_email_for_registration

conduwuit-example.toml

@@ -1959,8 +1959,10 @@
 #
 #sender =
 
-# Whether to require that users provide an email address when they
-# register.
+# Whether to allow public registration with an email address.
+#
+# Note that, if this option is enabled, anyone will be able to register an
+# account with just an email address.
 #
 # If either this option or `require_email_for_token_registration` are set,
 # users will not be allowed to remove their email address.
@@ -1968,6 +1970,7 @@
 #require_email_for_registration = false
 
 # Whether to require that users who register with a registration token
-# provide an email address.
+# provide an email address. This option is independent of
+# `require_email_for_registration`.
 #
 #require_email_for_token_registration = false