diff --git a/changelog.txt b/changelog.txt
index a01774af..221fafd3 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -13,7 +13,7 @@ OPENSEADRAGON CHANGELOG
 * Better error reporting for tile load failures (#679)
 * Added collectionColumns as a configuration parameter (#680)
 * Added support for non-square tiles (#673)
-    * TileSource.Options objects can now optionally provide tileWidth/tileWidth instead of tileSize for non-square tile support.
+    * TileSource.Options objects can now optionally provide tileWidth/tileHeight instead of tileSize for non-square tile support.
     * IIIFTileSources will now respect non-square tiles if available.
     * DEPRECATION: TileSource.getTileSize is deprecated use TileSource.getTileWidth and TileSource.getTileHeight instead.