diff --git a/changelog.txt b/changelog.txt
index fd9480ae..caeebfdc 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -22,6 +22,7 @@ OPENSEADRAGON CHANGELOG
 * Fixed: Element-relative mouse coordinates now correct if the element and/or page is scrolled (using new OpenSeadragon.getElementOffset() method) (#131)
 * Fixed: Pinch zoom event issue, regressive issue from previous event system changes (#244)
 * Added IIIF Image API 1.1 Tile Source (#230)
+* IIIF 1.0 now uses pixel based syntax (#249)
 * Fixed: Touch event issue where no canvas-click events were being raised (#240)
 * Check that zoom reference point is valid before using it in zoomTo and zoomBy (#247)