diff --git a/miniupnpd/Changelog.txt b/miniupnpd/Changelog.txt
index a2865e5..0263aad 100644
--- a/miniupnpd/Changelog.txt
+++ b/miniupnpd/Changelog.txt
@@ -1,5 +1,8 @@
 $Id: Changelog.txt,v 1.478 2021/05/21 22:03:13 nanard Exp $
 
+2021/08/11:
+  Detect Microsoft User-Agent: and force IGDv1 in that case
+
 2021/06/18:
   Fails on config parsing and init errors.
   print errors during init to both syslog and stderr.