diff --git a/config/staging/emailtemplates.php b/config/staging/emailtemplates.php
index 95079c3..9cdecf4 100644
--- a/config/staging/emailtemplates.php
+++ b/config/staging/emailtemplates.php
@@ -4,4 +4,16 @@ $emailtemplates = [
     'registration_welcome'  => 'Template 1',
     'registration_resend_code'  => 'template mit block',
     'password_reset'        => 'template mit block',
-];
\ No newline at end of file
+];
+
+// Hinweis zu ENV-Variablen für den Versand (werden außerhalb dieses Files gesetzt):
+// EMAILTEMPLATE_API_BASE   = https://... (optional externe Template-API, wie im retool-Sender)
+// EMAILTEMPLATE_API_TOKEN  = <token>
+// MAIL_TRANSPORT           = mail | smtp
+// MAIL_FROM                = no-reply@papa-kind-treff.info
+// MAIL_FROM_NAME           = Papa-Kind-Treff
+// SMTP_HOST                = smtp.example.com
+// SMTP_PORT                = 587
+// SMTP_USER                = <user>
+// SMTP_PASS                = <pass>
+// SMTP_SECURE              = tls | ssl | none