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AWS transfer documentation change

Service: transfer · 2026-03-25 · Documentation low

File: transfer/latest/userguide/send-as2-messages.md

Summary

Clarified that signed MDN responses can be either synchronous or asynchronous.

Security assessment

Documentation clarification on MDN response types with no security implications.

Diff

diff --git a/transfer/latest/userguide/send-as2-messages.md b/transfer/latest/userguide/send-as2-messages.md
index bcb85628b..50f32ddb8 100644
--- a//transfer/latest/userguide/send-as2-messages.md
+++ b//transfer/latest/userguide/send-as2-messages.md
@@ -314 +314 @@ The outbound process is defined as a message or file being sent from AWS to an e
-  4. The process returns the signed MDN response, inline with the HTTP response (synchronous MDN).
+  4. The process returns the signed MDN response, either inline with the HTTP response (synchronous or asynchronous MDN).