diff --git a/src/syncterm/CHANGES b/src/syncterm/CHANGES
index 64e8e09286631b719f1feacfbac66a207bbe99e5..9b11ac79fae74dfc991689180ef64f611476a1d0 100644
--- a/src/syncterm/CHANGES
+++ b/src/syncterm/CHANGES
@@ -6,6 +6,7 @@ Support Shell connections on Windows 10+
 Windows builds now include a .com (console) and a .exe (GUI) binary
 Better socket disconnect detection in SSH and telnets sessions
 Fix X11 mode scaling and fullscreen with minimal X servers
+Improve output performance up to 18 times
 
 Version 1.4a
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