Change disclaimer in email according to #5817 (#6266)

config/locales/devise.en.yml

@@ -19,7 +19,7 @@ en:
       confirmation_instructions:
         action: Verify email address
         explanation: You have created an account on %{host} with this email address. You are one click away from activating it. If this wasn't you, please ignore this e-mail.
-        extra_html: Please also check out our <a href="%{terms_path}">terms of service</a> and <a href="%{policy_path}">privacy policy</a>.
+        extra_html: Please also check out <a href="%{terms_path}">the rules of the instance</a> and <a href="%{policy_path}">our terms of service</a>.
         subject: 'Mastodon: Confirmation instructions for %{instance}'
         title: Verify e-mail address
       email_changed: