diff --git a/changelog.txt b/changelog.txt
index 8f024fe9..c9b2e1b4 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -40,6 +40,7 @@ OPENSEADRAGON CHANGELOG
 * Overlays appear in the DOM immediately on open or addOverlay (#507)
 * imageLoaderLimit now works (#544)
 * Added ajaxWithCredentials option (#543)
+* Added support for HDPI (retina) displays (#583)
 
 1.2.2: (in progress)