diff --git a/docs/postfix_configuration b/docs/postfix_configuration
index 0decfb5..b6ee775 100644
--- a/docs/postfix_configuration
+++ b/docs/postfix_configuration
@@ -9,7 +9,7 @@ Add to /etc/postfix/master.cf:
 
 
 Create /etc/postfix/wg_mailer_transport:
-    /^[a-zA-Z0-9]+-bounce@/         wgnl:
+    /^[a-zA-Z0-9]+-bounce@/         wgml:
 
 And run:
     postmap /etc/postfix/wg_mailer_transport