diff --git a/conf/check-postfix-fatal-errors.conf.sample b/conf/check-postfix-fatal-errors.conf.sample
index 194e3e0..ca8dac7 100644
--- a/conf/check-postfix-fatal-errors.conf.sample
+++ b/conf/check-postfix-fatal-errors.conf.sample
@@ -27,9 +27,9 @@
 # - sender_address
 # -
 # - Defaults to:
-# -    sender_address="check_es_service@$(hostname -f)"
+# -    sender_address="${script_name%%.*}@$(hostname -f)"
 # -
-#sender_address="check_es_service@$(hostname -f)"
+#sender_address="check-postfix-fatal-error@$(hostname -f)"
 
 # - content_type
 # -