diff --git a/changelog.txt b/changelog.txt
index d33d3286..3343c616 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -7,6 +7,7 @@ OPENSEADRAGON CHANGELOG
 * Fixed: LegacyTileSource doesn't fail gracefully when no supported file formats are found (#202)
 * Added an optional userData argument to EventHandler.addHandler() which is passed unchanged to the handler method (#203)
 * Fixed AJAX error reporting on IE8 (#208)
+* Added viewportToImageRectangle method, and updated imageToViewportRectangle, imageToViewportCoordinates, and viewportToImageCoordinates to be more flexible with params (#212)
 
 0.9.130: