diff --git a/changelog.txt b/changelog.txt
index 4c1f5de9..5f8b6e4b 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -10,6 +10,7 @@ OPENSEADRAGON CHANGELOG
 * Removed vestigial button group label element that was causing issues for accessibility tools (#1560)
 * Fixed a bug causing Viewer.areControlsEnabled to throw an exception (#1562)
 * Added tileFormat option to IIIFTileSource so you can specify the tile format (#1625)
+* Now using canonical URIs more consistently in IIIF to make caching and processing time easier on the server side (#1625)
 
 2.4.0: