diff --git a/src/tiledimage.js b/src/tiledimage.js
index 0b1e0994..04b0ff00 100644
--- a/src/tiledimage.js
+++ b/src/tiledimage.js
@@ -677,7 +677,7 @@ $.extend($.TiledImage.prototype, $.EventSource.prototype, /** @lends OpenSeadrag
     /**
      * Sets an array of polygons to crop the TiledImage during draw tiles.
      * The render function will use the default non-zero winding rule.
-     * @param Polygons represented in an array of point object in pixels.
+     * @param Polygons represented in an array of point object in image coordinates.
      * Example format: [
      *  [{x: 197, y:172}, {x: 226, y:172}, {x: 226, y:198}, {x: 197, y:198}], // First polygon
      *  [{x: 328, y:200}, {x: 330, y:199}, {x: 332, y:201}, {x: 329, y:202}]  // Second polygon