diff --git a/changelog.txt b/changelog.txt
index 83b61028..4752af72 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -3,6 +3,7 @@ OPENSEADRAGON CHANGELOG
 
 4.0.1: (in progress...)
 
+* The viewer no longer emits canvas-key events for both keydown and keypress events; canvas-key is now just for keydown, and the new canvas-key-press is for keypress (#2270 @hrghauri)
 
 4.0.0: