diff --git a/changelog.txt b/changelog.txt
index 7a04e821..9ed55689 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -4,7 +4,7 @@ OPENSEADRAGON CHANGELOG
 2.3.1: (In Progress)
 
 * Debug mode now uses different colors for different tiled images (customizable via debugGridColor) (#1271)
-* Fixed a problem with preventDefaultAction for the canvas-drag event ()
+* Fixed a problem with preventDefaultAction for the canvas-drag event (#1278)
 
 2.3.0: